taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
97C07CC65DDB5D3088F9B3D2278A3B92.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550397	https://doi.org/10.3897/zookeys.1270.156458.figures40-45	Figures 40–45. Testacella riedeli, Algeria Tizi-Ouzou, Makouda, Tigoulmamine. 40. Living specimen; 41. Shell; 42. Distal genitalia. 43–45. Distal genitalia of a second specimen; 43. Distal genitalia; 44. Details of distal genitalia; penis without the thick glandular and muscular sheath; 45. Internal view of penis and vagina.	Figures 40–45. Testacella riedeli, Algeria Tizi-Ouzou, Makouda, Tigoulmamine. 40. Living specimen; 41. Shell; 42. Distal genitalia. 43–45. Distal genitalia of a second specimen; 43. Distal genitalia; 44. Details of distal genitalia; penis without the thick glandular and muscular sheath; 45. Internal view of penis and vagina.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
AD48EBB85B2F5FCB9731F3EF0B66CEA2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550398	https://doi.org/10.3897/zookeys.1270.156458.figures46-71	Figures 46–71. Identification key of Algerian slugs. 46–49. Letourneuxia numidica from Wiktor (1983 a) modified; 46. Mollusc in lateral and dorsal view; 47. Shell in dorsal and lateral view; 48. Genitalia; 49. Atrial ligula. 50–55. Genus Milax; 50. Mollusc in lateral and dorsal view; 51. Shell in lateral, dorsal and ventral view; 52. Schematic drawing of genitalia, with a section of the atrium and stimulator; 53. Stimulator of M. ater; 54. Stimulator of M. gagates; 55. Stimulator of M. nigricans. 56–58. Drusia deshayesii; 56. Mollusc in lateral and dorsal view; 57. Shell in dorsal and ventral view; 58. Distal genitalia. 59–62. Genus Deroceras; 59. Mollusc in lateral and dorsal view; 60. Shell in dorsal view; 61. Distal genitalia of D. cf. brondelianum; 62. Distal genitalia of D. riedelianum from Wiktor (1983 a) modified. 63–65. Limacus flavus; 63. Mollusc in lateral and dorsal view; 64. Shell in dorsal view; 65. Distal genitalia. 66–71. Genus Ambigolimax; 66. Mollusc in lateral and dorsal view; 67. Shell in dorsal view; 68. Distal genitalia of A. melitensis; 69. Distal genitalia of A. waterstoni; 70. Distal genitalia of A. valentianus; 71. Distal genitalia of A. parvipenis.	Figures 46–71. Identification key of Algerian slugs. 46–49. Letourneuxia numidica from Wiktor (1983 a) modified; 46. Mollusc in lateral and dorsal view; 47. Shell in dorsal and lateral view; 48. Genitalia; 49. Atrial ligula. 50–55. Genus Milax; 50. Mollusc in lateral and dorsal view; 51. Shell in lateral, dorsal and ventral view; 52. Schematic drawing of genitalia, with a section of the atrium and stimulator; 53. Stimulator of M. ater; 54. Stimulator of M. gagates; 55. Stimulator of M. nigricans. 56–58. Drusia deshayesii; 56. Mollusc in lateral and dorsal view; 57. Shell in dorsal and ventral view; 58. Distal genitalia. 59–62. Genus Deroceras; 59. Mollusc in lateral and dorsal view; 60. Shell in dorsal view; 61. Distal genitalia of D. cf. brondelianum; 62. Distal genitalia of D. riedelianum from Wiktor (1983 a) modified. 63–65. Limacus flavus; 63. Mollusc in lateral and dorsal view; 64. Shell in dorsal view; 65. Distal genitalia. 66–71. Genus Ambigolimax; 66. Mollusc in lateral and dorsal view; 67. Shell in dorsal view; 68. Distal genitalia of A. melitensis; 69. Distal genitalia of A. waterstoni; 70. Distal genitalia of A. valentianus; 71. Distal genitalia of A. parvipenis.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
674A20FFE18A5DD8A14AAF1FE2D84D2A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550392	https://doi.org/10.3897/zookeys.1270.156458.figures21-25	Figures 21–25. Colour variations of Ambigolimax parvipenis. 21. Tizi-Ouzou, El Kahra, Tamda; 22, 23. Tizi-Ouzou, Makouda, Tigoulmamine; 24. Tizi-Ouzou, Makouda, Tazarourt; 25. Tizi-Ouzou, Makouda, Tigoulmamine.	Figures 21–25. Colour variations of Ambigolimax parvipenis. 21. Tizi-Ouzou, El Kahra, Tamda; 22, 23. Tizi-Ouzou, Makouda, Tigoulmamine; 24. Tizi-Ouzou, Makouda, Tazarourt; 25. Tizi-Ouzou, Makouda, Tigoulmamine.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
674A20FFE18A5DD8A14AAF1FE2D84D2A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550393	https://doi.org/10.3897/zookeys.1270.156458.figures26-28	Figures 26–28. Ambigolimax parvipenis genitalia. 26. Distal genitalia, Algeria, Tigoulmamine; 27. Internal view of penis, same specimen as in Fig. 26; 28. Internal view of penis, Algeria, Tizi-Ouzou, Makouda, Tigoulmamine.	Figures 26–28. Ambigolimax parvipenis genitalia. 26. Distal genitalia, Algeria, Tigoulmamine; 27. Internal view of penis, same specimen as in Fig. 26; 28. Internal view of penis, Algeria, Tizi-Ouzou, Makouda, Tigoulmamine.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
674A20FFE18A5DD8A14AAF1FE2D84D2A.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550394	https://doi.org/10.3897/zookeys.1270.156458.figures29-30	Figures 29, 30. Genital morphology of North African slugs as illustrated in 19 th century literature. 29. Detail of plate 8 from Simroth (1885) showing the genitalia (on the left) and the opened penis (on the right) of the slug named “ Limax nyctelius ”; 30. Detail of plate 22 from Germain (1908) showing the genitalia of Agriolimax (Malacolimax) kervillei, here regarded as Ambigolimax sp.	Figures 29, 30. Genital morphology of North African slugs as illustrated in 19 th century literature. 29. Detail of plate 8 from Simroth (1885) showing the genitalia (on the left) and the opened penis (on the right) of the slug named “ Limax nyctelius ”; 30. Detail of plate 22 from Germain (1908) showing the genitalia of Agriolimax (Malacolimax) kervillei, here regarded as Ambigolimax sp.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
989801E69AA251E2B7D8F0811F76E770.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550398	https://doi.org/10.3897/zookeys.1270.156458.figures46-71	Figures 46–71. Identification key of Algerian slugs. 46–49. Letourneuxia numidica from Wiktor (1983 a) modified; 46. Mollusc in lateral and dorsal view; 47. Shell in dorsal and lateral view; 48. Genitalia; 49. Atrial ligula. 50–55. Genus Milax; 50. Mollusc in lateral and dorsal view; 51. Shell in lateral, dorsal and ventral view; 52. Schematic drawing of genitalia, with a section of the atrium and stimulator; 53. Stimulator of M. ater; 54. Stimulator of M. gagates; 55. Stimulator of M. nigricans. 56–58. Drusia deshayesii; 56. Mollusc in lateral and dorsal view; 57. Shell in dorsal and ventral view; 58. Distal genitalia. 59–62. Genus Deroceras; 59. Mollusc in lateral and dorsal view; 60. Shell in dorsal view; 61. Distal genitalia of D. cf. brondelianum; 62. Distal genitalia of D. riedelianum from Wiktor (1983 a) modified. 63–65. Limacus flavus; 63. Mollusc in lateral and dorsal view; 64. Shell in dorsal view; 65. Distal genitalia. 66–71. Genus Ambigolimax; 66. Mollusc in lateral and dorsal view; 67. Shell in dorsal view; 68. Distal genitalia of A. melitensis; 69. Distal genitalia of A. waterstoni; 70. Distal genitalia of A. valentianus; 71. Distal genitalia of A. parvipenis.	Figures 46–71. Identification key of Algerian slugs. 46–49. Letourneuxia numidica from Wiktor (1983 a) modified; 46. Mollusc in lateral and dorsal view; 47. Shell in dorsal and lateral view; 48. Genitalia; 49. Atrial ligula. 50–55. Genus Milax; 50. Mollusc in lateral and dorsal view; 51. Shell in lateral, dorsal and ventral view; 52. Schematic drawing of genitalia, with a section of the atrium and stimulator; 53. Stimulator of M. ater; 54. Stimulator of M. gagates; 55. Stimulator of M. nigricans. 56–58. Drusia deshayesii; 56. Mollusc in lateral and dorsal view; 57. Shell in dorsal and ventral view; 58. Distal genitalia. 59–62. Genus Deroceras; 59. Mollusc in lateral and dorsal view; 60. Shell in dorsal view; 61. Distal genitalia of D. cf. brondelianum; 62. Distal genitalia of D. riedelianum from Wiktor (1983 a) modified. 63–65. Limacus flavus; 63. Mollusc in lateral and dorsal view; 64. Shell in dorsal view; 65. Distal genitalia. 66–71. Genus Ambigolimax; 66. Mollusc in lateral and dorsal view; 67. Shell in dorsal view; 68. Distal genitalia of A. melitensis; 69. Distal genitalia of A. waterstoni; 70. Distal genitalia of A. valentianus; 71. Distal genitalia of A. parvipenis.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
B741223F212051D6A9A881D48A646DE3.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550391	https://doi.org/10.3897/zookeys.1270.156458.figures17-20	Figures 17–20. Ambigolimax waterstoni. 17. Living specimen, Algeria, Tizi-Ouzou, Makouda, Tigoulmamine; 18. Living specimen, Algeria, Tizi-Ouzou, Makouda, Tigoulmamine; 19. Genitalia, Algeria, Boumerdès, Corso; 20. Internal view of penis, same specimen as in Fig. 19.	Figures 17–20. Ambigolimax waterstoni. 17. Living specimen, Algeria, Tizi-Ouzou, Makouda, Tigoulmamine; 18. Living specimen, Algeria, Tizi-Ouzou, Makouda, Tigoulmamine; 19. Genitalia, Algeria, Boumerdès, Corso; 20. Internal view of penis, same specimen as in Fig. 19.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
54E82D9D90E9522DAC41EBE041DA64AA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550396	https://doi.org/10.3897/zookeys.1270.156458.figures37-39	Figures 37–39. Daudebardia brevipes letourneuxi, Algeria, Jijel, National Park of Taza, Garouche forest. 37. Shell; 38. Genitalia; 39. Internal view of the proximal penis.	Figures 37–39. Daudebardia brevipes letourneuxi, Algeria, Jijel, National Park of Taza, Garouche forest. 37. Shell; 38. Genitalia; 39. Internal view of the proximal penis.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
0AD7CBFC07FB52C88AB751D45DF812A7.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550399	https://doi.org/10.3897/zookeys.1270.156458.figures72-82	Figures 72–82. Identification key of Algerian semi-slugs. 72, 73. Genus ? Vitrina; 72. Schematic drawing of the mollusc; 73. Shell in frontal, apical and ventral view. 74–78. Genus Daudebardia; 74. Mollusc in lateral and dorsal view; 75. Shell in dorsal and ventral view of D. brevipes letourneuxi; 76. Distal genitalia of D. brevipes letourneuxi; 77. Shell in dorsal and ventral view of D. rufa atlantica; 78. Distal genitalia of D. rufa atlantica from Riedel (1978) modified. 79–82. Genus Testacella; 79. Mollusc in lateral and dorsal view; 80. Shell in dorsal and ventral view; 81. Distal genitalia of T. fischeriana; 82. Distal genitalia of T. riedeli.	Figures 72–82. Identification key of Algerian semi-slugs. 72, 73. Genus ? Vitrina; 72. Schematic drawing of the mollusc; 73. Shell in frontal, apical and ventral view. 74–78. Genus Daudebardia; 74. Mollusc in lateral and dorsal view; 75. Shell in dorsal and ventral view of D. brevipes letourneuxi; 76. Distal genitalia of D. brevipes letourneuxi; 77. Shell in dorsal and ventral view of D. rufa atlantica; 78. Distal genitalia of D. rufa atlantica from Riedel (1978) modified. 79–82. Genus Testacella; 79. Mollusc in lateral and dorsal view; 80. Shell in dorsal and ventral view; 81. Distal genitalia of T. fischeriana; 82. Distal genitalia of T. riedeli.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
A543A27F0BC25B69A5969B4E648C8D83.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550395	https://doi.org/10.3897/zookeys.1270.156458.figures31-36	Figures 31–36. Deroceras cf. brondelianum. 31, 32. Living specimen, Tizi-Ouzou, Makouda, Tigoulmamine; 33. Genitalia, Tizi Ouzou, Yakouren Forest; 34. Open genitalia with stimulator, same specimen as in Fig. 33; 35. Genitalia, Tizi-Ouzou, Makouda, Tigoulmamine; 36. Internal view of penis, Tizi Ouzou, Yakouren Fores.	Figures 31–36. Deroceras cf. brondelianum. 31, 32. Living specimen, Tizi-Ouzou, Makouda, Tigoulmamine; 33. Genitalia, Tizi Ouzou, Yakouren Forest; 34. Open genitalia with stimulator, same specimen as in Fig. 33; 35. Genitalia, Tizi-Ouzou, Makouda, Tigoulmamine; 36. Internal view of penis, Tizi Ouzou, Yakouren Fores.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
FA61E1D7B77C566A8FC7319006D9ABA2.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550398	https://doi.org/10.3897/zookeys.1270.156458.figures46-71	Figures 46–71. Identification key of Algerian slugs. 46–49. Letourneuxia numidica from Wiktor (1983 a) modified; 46. Mollusc in lateral and dorsal view; 47. Shell in dorsal and lateral view; 48. Genitalia; 49. Atrial ligula. 50–55. Genus Milax; 50. Mollusc in lateral and dorsal view; 51. Shell in lateral, dorsal and ventral view; 52. Schematic drawing of genitalia, with a section of the atrium and stimulator; 53. Stimulator of M. ater; 54. Stimulator of M. gagates; 55. Stimulator of M. nigricans. 56–58. Drusia deshayesii; 56. Mollusc in lateral and dorsal view; 57. Shell in dorsal and ventral view; 58. Distal genitalia. 59–62. Genus Deroceras; 59. Mollusc in lateral and dorsal view; 60. Shell in dorsal view; 61. Distal genitalia of D. cf. brondelianum; 62. Distal genitalia of D. riedelianum from Wiktor (1983 a) modified. 63–65. Limacus flavus; 63. Mollusc in lateral and dorsal view; 64. Shell in dorsal view; 65. Distal genitalia. 66–71. Genus Ambigolimax; 66. Mollusc in lateral and dorsal view; 67. Shell in dorsal view; 68. Distal genitalia of A. melitensis; 69. Distal genitalia of A. waterstoni; 70. Distal genitalia of A. valentianus; 71. Distal genitalia of A. parvipenis.	Figures 46–71. Identification key of Algerian slugs. 46–49. Letourneuxia numidica from Wiktor (1983 a) modified; 46. Mollusc in lateral and dorsal view; 47. Shell in dorsal and lateral view; 48. Genitalia; 49. Atrial ligula. 50–55. Genus Milax; 50. Mollusc in lateral and dorsal view; 51. Shell in lateral, dorsal and ventral view; 52. Schematic drawing of genitalia, with a section of the atrium and stimulator; 53. Stimulator of M. ater; 54. Stimulator of M. gagates; 55. Stimulator of M. nigricans. 56–58. Drusia deshayesii; 56. Mollusc in lateral and dorsal view; 57. Shell in dorsal and ventral view; 58. Distal genitalia. 59–62. Genus Deroceras; 59. Mollusc in lateral and dorsal view; 60. Shell in dorsal view; 61. Distal genitalia of D. cf. brondelianum; 62. Distal genitalia of D. riedelianum from Wiktor (1983 a) modified. 63–65. Limacus flavus; 63. Mollusc in lateral and dorsal view; 64. Shell in dorsal view; 65. Distal genitalia. 66–71. Genus Ambigolimax; 66. Mollusc in lateral and dorsal view; 67. Shell in dorsal view; 68. Distal genitalia of A. melitensis; 69. Distal genitalia of A. waterstoni; 70. Distal genitalia of A. valentianus; 71. Distal genitalia of A. parvipenis.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
895AA0B00DA1558BA6415F1297B05836.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550398	https://doi.org/10.3897/zookeys.1270.156458.figures46-71	Figures 46–71. Identification key of Algerian slugs. 46–49. Letourneuxia numidica from Wiktor (1983 a) modified; 46. Mollusc in lateral and dorsal view; 47. Shell in dorsal and lateral view; 48. Genitalia; 49. Atrial ligula. 50–55. Genus Milax; 50. Mollusc in lateral and dorsal view; 51. Shell in lateral, dorsal and ventral view; 52. Schematic drawing of genitalia, with a section of the atrium and stimulator; 53. Stimulator of M. ater; 54. Stimulator of M. gagates; 55. Stimulator of M. nigricans. 56–58. Drusia deshayesii; 56. Mollusc in lateral and dorsal view; 57. Shell in dorsal and ventral view; 58. Distal genitalia. 59–62. Genus Deroceras; 59. Mollusc in lateral and dorsal view; 60. Shell in dorsal view; 61. Distal genitalia of D. cf. brondelianum; 62. Distal genitalia of D. riedelianum from Wiktor (1983 a) modified. 63–65. Limacus flavus; 63. Mollusc in lateral and dorsal view; 64. Shell in dorsal view; 65. Distal genitalia. 66–71. Genus Ambigolimax; 66. Mollusc in lateral and dorsal view; 67. Shell in dorsal view; 68. Distal genitalia of A. melitensis; 69. Distal genitalia of A. waterstoni; 70. Distal genitalia of A. valentianus; 71. Distal genitalia of A. parvipenis.	Figures 46–71. Identification key of Algerian slugs. 46–49. Letourneuxia numidica from Wiktor (1983 a) modified; 46. Mollusc in lateral and dorsal view; 47. Shell in dorsal and lateral view; 48. Genitalia; 49. Atrial ligula. 50–55. Genus Milax; 50. Mollusc in lateral and dorsal view; 51. Shell in lateral, dorsal and ventral view; 52. Schematic drawing of genitalia, with a section of the atrium and stimulator; 53. Stimulator of M. ater; 54. Stimulator of M. gagates; 55. Stimulator of M. nigricans. 56–58. Drusia deshayesii; 56. Mollusc in lateral and dorsal view; 57. Shell in dorsal and ventral view; 58. Distal genitalia. 59–62. Genus Deroceras; 59. Mollusc in lateral and dorsal view; 60. Shell in dorsal view; 61. Distal genitalia of D. cf. brondelianum; 62. Distal genitalia of D. riedelianum from Wiktor (1983 a) modified. 63–65. Limacus flavus; 63. Mollusc in lateral and dorsal view; 64. Shell in dorsal view; 65. Distal genitalia. 66–71. Genus Ambigolimax; 66. Mollusc in lateral and dorsal view; 67. Shell in dorsal view; 68. Distal genitalia of A. melitensis; 69. Distal genitalia of A. waterstoni; 70. Distal genitalia of A. valentianus; 71. Distal genitalia of A. parvipenis.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
0026B30D7DD75416AF397E516A3B1A9D.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550398	https://doi.org/10.3897/zookeys.1270.156458.figures46-71	Figures 46–71. Identification key of Algerian slugs. 46–49. Letourneuxia numidica from Wiktor (1983 a) modified; 46. Mollusc in lateral and dorsal view; 47. Shell in dorsal and lateral view; 48. Genitalia; 49. Atrial ligula. 50–55. Genus Milax; 50. Mollusc in lateral and dorsal view; 51. Shell in lateral, dorsal and ventral view; 52. Schematic drawing of genitalia, with a section of the atrium and stimulator; 53. Stimulator of M. ater; 54. Stimulator of M. gagates; 55. Stimulator of M. nigricans. 56–58. Drusia deshayesii; 56. Mollusc in lateral and dorsal view; 57. Shell in dorsal and ventral view; 58. Distal genitalia. 59–62. Genus Deroceras; 59. Mollusc in lateral and dorsal view; 60. Shell in dorsal view; 61. Distal genitalia of D. cf. brondelianum; 62. Distal genitalia of D. riedelianum from Wiktor (1983 a) modified. 63–65. Limacus flavus; 63. Mollusc in lateral and dorsal view; 64. Shell in dorsal view; 65. Distal genitalia. 66–71. Genus Ambigolimax; 66. Mollusc in lateral and dorsal view; 67. Shell in dorsal view; 68. Distal genitalia of A. melitensis; 69. Distal genitalia of A. waterstoni; 70. Distal genitalia of A. valentianus; 71. Distal genitalia of A. parvipenis.	Figures 46–71. Identification key of Algerian slugs. 46–49. Letourneuxia numidica from Wiktor (1983 a) modified; 46. Mollusc in lateral and dorsal view; 47. Shell in dorsal and lateral view; 48. Genitalia; 49. Atrial ligula. 50–55. Genus Milax; 50. Mollusc in lateral and dorsal view; 51. Shell in lateral, dorsal and ventral view; 52. Schematic drawing of genitalia, with a section of the atrium and stimulator; 53. Stimulator of M. ater; 54. Stimulator of M. gagates; 55. Stimulator of M. nigricans. 56–58. Drusia deshayesii; 56. Mollusc in lateral and dorsal view; 57. Shell in dorsal and ventral view; 58. Distal genitalia. 59–62. Genus Deroceras; 59. Mollusc in lateral and dorsal view; 60. Shell in dorsal view; 61. Distal genitalia of D. cf. brondelianum; 62. Distal genitalia of D. riedelianum from Wiktor (1983 a) modified. 63–65. Limacus flavus; 63. Mollusc in lateral and dorsal view; 64. Shell in dorsal view; 65. Distal genitalia. 66–71. Genus Ambigolimax; 66. Mollusc in lateral and dorsal view; 67. Shell in dorsal view; 68. Distal genitalia of A. melitensis; 69. Distal genitalia of A. waterstoni; 70. Distal genitalia of A. valentianus; 71. Distal genitalia of A. parvipenis.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
2393B1B2158F509FB7A3FCC35150F63C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550398	https://doi.org/10.3897/zookeys.1270.156458.figures46-71	Figures 46–71. Identification key of Algerian slugs. 46–49. Letourneuxia numidica from Wiktor (1983 a) modified; 46. Mollusc in lateral and dorsal view; 47. Shell in dorsal and lateral view; 48. Genitalia; 49. Atrial ligula. 50–55. Genus Milax; 50. Mollusc in lateral and dorsal view; 51. Shell in lateral, dorsal and ventral view; 52. Schematic drawing of genitalia, with a section of the atrium and stimulator; 53. Stimulator of M. ater; 54. Stimulator of M. gagates; 55. Stimulator of M. nigricans. 56–58. Drusia deshayesii; 56. Mollusc in lateral and dorsal view; 57. Shell in dorsal and ventral view; 58. Distal genitalia. 59–62. Genus Deroceras; 59. Mollusc in lateral and dorsal view; 60. Shell in dorsal view; 61. Distal genitalia of D. cf. brondelianum; 62. Distal genitalia of D. riedelianum from Wiktor (1983 a) modified. 63–65. Limacus flavus; 63. Mollusc in lateral and dorsal view; 64. Shell in dorsal view; 65. Distal genitalia. 66–71. Genus Ambigolimax; 66. Mollusc in lateral and dorsal view; 67. Shell in dorsal view; 68. Distal genitalia of A. melitensis; 69. Distal genitalia of A. waterstoni; 70. Distal genitalia of A. valentianus; 71. Distal genitalia of A. parvipenis.	Figures 46–71. Identification key of Algerian slugs. 46–49. Letourneuxia numidica from Wiktor (1983 a) modified; 46. Mollusc in lateral and dorsal view; 47. Shell in dorsal and lateral view; 48. Genitalia; 49. Atrial ligula. 50–55. Genus Milax; 50. Mollusc in lateral and dorsal view; 51. Shell in lateral, dorsal and ventral view; 52. Schematic drawing of genitalia, with a section of the atrium and stimulator; 53. Stimulator of M. ater; 54. Stimulator of M. gagates; 55. Stimulator of M. nigricans. 56–58. Drusia deshayesii; 56. Mollusc in lateral and dorsal view; 57. Shell in dorsal and ventral view; 58. Distal genitalia. 59–62. Genus Deroceras; 59. Mollusc in lateral and dorsal view; 60. Shell in dorsal view; 61. Distal genitalia of D. cf. brondelianum; 62. Distal genitalia of D. riedelianum from Wiktor (1983 a) modified. 63–65. Limacus flavus; 63. Mollusc in lateral and dorsal view; 64. Shell in dorsal view; 65. Distal genitalia. 66–71. Genus Ambigolimax; 66. Mollusc in lateral and dorsal view; 67. Shell in dorsal view; 68. Distal genitalia of A. melitensis; 69. Distal genitalia of A. waterstoni; 70. Distal genitalia of A. valentianus; 71. Distal genitalia of A. parvipenis.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
2F6FF9EF02F557FBAEC91D96BC6B2BCE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550388	https://doi.org/10.3897/zookeys.1270.156458.figures2-3	Figures 2, 3. Milax ater, Algeria, Tizi Ouzou, Akvil, Ait Ouavan Forest. 2. Stimulator; 3. Genitalia. Abbreviations: AAA atrial accessory appendices, AAG atrial accessory gland, AG albumen gland, BC bursa copulatrix, DBC duct of the bursa copulatrix, DP distal penis, E epiphallus, GA genital atrium, HD hermaphrodite duct, LI ligule, ML mantle lobe, O ovotestis, OS ovispermiduct, P penis, PA penial appendix, PF penial flap, PP proximal penis, PPC proximal penial crest, PR penial retractor muscle, PRG perivaginal gland, PRO prostate, ST stimulator, V vagina, VG vaginal gland, VD vas deferens.	Figures 2, 3. Milax ater, Algeria, Tizi Ouzou, Akvil, Ait Ouavan Forest. 2. Stimulator; 3. Genitalia. Abbreviations: AAA atrial accessory appendices, AAG atrial accessory gland, AG albumen gland, BC bursa copulatrix, DBC duct of the bursa copulatrix, DP distal penis, E epiphallus, GA genital atrium, HD hermaphrodite duct, LI ligule, ML mantle lobe, O ovotestis, OS ovispermiduct, P penis, PA penial appendix, PF penial flap, PP proximal penis, PPC proximal penial crest, PR penial retractor muscle, PRG perivaginal gland, PRO prostate, ST stimulator, V vagina, VG vaginal gland, VD vas deferens.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
2F6FF9EF02F557FBAEC91D96BC6B2BCE.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550398	https://doi.org/10.3897/zookeys.1270.156458.figures46-71	Figures 46–71. Identification key of Algerian slugs. 46–49. Letourneuxia numidica from Wiktor (1983 a) modified; 46. Mollusc in lateral and dorsal view; 47. Shell in dorsal and lateral view; 48. Genitalia; 49. Atrial ligula. 50–55. Genus Milax; 50. Mollusc in lateral and dorsal view; 51. Shell in lateral, dorsal and ventral view; 52. Schematic drawing of genitalia, with a section of the atrium and stimulator; 53. Stimulator of M. ater; 54. Stimulator of M. gagates; 55. Stimulator of M. nigricans. 56–58. Drusia deshayesii; 56. Mollusc in lateral and dorsal view; 57. Shell in dorsal and ventral view; 58. Distal genitalia. 59–62. Genus Deroceras; 59. Mollusc in lateral and dorsal view; 60. Shell in dorsal view; 61. Distal genitalia of D. cf. brondelianum; 62. Distal genitalia of D. riedelianum from Wiktor (1983 a) modified. 63–65. Limacus flavus; 63. Mollusc in lateral and dorsal view; 64. Shell in dorsal view; 65. Distal genitalia. 66–71. Genus Ambigolimax; 66. Mollusc in lateral and dorsal view; 67. Shell in dorsal view; 68. Distal genitalia of A. melitensis; 69. Distal genitalia of A. waterstoni; 70. Distal genitalia of A. valentianus; 71. Distal genitalia of A. parvipenis.	Figures 46–71. Identification key of Algerian slugs. 46–49. Letourneuxia numidica from Wiktor (1983 a) modified; 46. Mollusc in lateral and dorsal view; 47. Shell in dorsal and lateral view; 48. Genitalia; 49. Atrial ligula. 50–55. Genus Milax; 50. Mollusc in lateral and dorsal view; 51. Shell in lateral, dorsal and ventral view; 52. Schematic drawing of genitalia, with a section of the atrium and stimulator; 53. Stimulator of M. ater; 54. Stimulator of M. gagates; 55. Stimulator of M. nigricans. 56–58. Drusia deshayesii; 56. Mollusc in lateral and dorsal view; 57. Shell in dorsal and ventral view; 58. Distal genitalia. 59–62. Genus Deroceras; 59. Mollusc in lateral and dorsal view; 60. Shell in dorsal view; 61. Distal genitalia of D. cf. brondelianum; 62. Distal genitalia of D. riedelianum from Wiktor (1983 a) modified. 63–65. Limacus flavus; 63. Mollusc in lateral and dorsal view; 64. Shell in dorsal view; 65. Distal genitalia. 66–71. Genus Ambigolimax; 66. Mollusc in lateral and dorsal view; 67. Shell in dorsal view; 68. Distal genitalia of A. melitensis; 69. Distal genitalia of A. waterstoni; 70. Distal genitalia of A. valentianus; 71. Distal genitalia of A. parvipenis.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
2E6438461073551F989B30E849530557.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550389	https://doi.org/10.3897/zookeys.1270.156458.figures4-6	Figures 4–6. Milax gagates, Algeria, Tizi-Ouzou, Ain El Hammam. 4. Stimulator; 5. Genitalia; 6. Internal view of penis.	Figures 4–6. Milax gagates, Algeria, Tizi-Ouzou, Ain El Hammam. 4. Stimulator; 5. Genitalia; 6. Internal view of penis.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
23AB191531565F97AA6812CD3A11C80C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550390	https://doi.org/10.3897/zookeys.1270.156458.figures7-16	Figures 7–16. Milax nigricans. 7–12. Colour variability in living specimens. 7. Tizi-Ouzou, Makouda, Tazarourt; 8. Algiers, Douera; 9. Tizi-Ouzou, Makouda, Tigoulmamine; 10. Tizi-Ouzou, Makouda, Tigoulmamine; 11. Tizi-Ouzou, Tigzirt, Tifra; 12. Tizi-Ouzou, Makouda, Tazarourt. 13–16. Genitalia; 13. Stimulator, Algeria, Tigoulmine, Makouda; 14. Stimulator, Algeria, Boumerdes, Issers; 15. Genitalia, Algeria, Tigoulmine, Makouda; 16. Penial papilla, Algeria, Tizi-Ouzou, El Kahra.	Figures 7–16. Milax nigricans. 7–12. Colour variability in living specimens. 7. Tizi-Ouzou, Makouda, Tazarourt; 8. Algiers, Douera; 9. Tizi-Ouzou, Makouda, Tigoulmamine; 10. Tizi-Ouzou, Makouda, Tigoulmamine; 11. Tizi-Ouzou, Tigzirt, Tifra; 12. Tizi-Ouzou, Makouda, Tazarourt. 13–16. Genitalia; 13. Stimulator, Algeria, Tigoulmine, Makouda; 14. Stimulator, Algeria, Boumerdes, Issers; 15. Genitalia, Algeria, Tigoulmine, Makouda; 16. Penial papilla, Algeria, Tizi-Ouzou, El Kahra.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
CD6574CB1E6E5978815B5DAD2C5AE17F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550399	https://doi.org/10.3897/zookeys.1270.156458.figures72-82	Figures 72–82. Identification key of Algerian semi-slugs. 72, 73. Genus ? Vitrina; 72. Schematic drawing of the mollusc; 73. Shell in frontal, apical and ventral view. 74–78. Genus Daudebardia; 74. Mollusc in lateral and dorsal view; 75. Shell in dorsal and ventral view of D. brevipes letourneuxi; 76. Distal genitalia of D. brevipes letourneuxi; 77. Shell in dorsal and ventral view of D. rufa atlantica; 78. Distal genitalia of D. rufa atlantica from Riedel (1978) modified. 79–82. Genus Testacella; 79. Mollusc in lateral and dorsal view; 80. Shell in dorsal and ventral view; 81. Distal genitalia of T. fischeriana; 82. Distal genitalia of T. riedeli.	Figures 72–82. Identification key of Algerian semi-slugs. 72, 73. Genus ? Vitrina; 72. Schematic drawing of the mollusc; 73. Shell in frontal, apical and ventral view. 74–78. Genus Daudebardia; 74. Mollusc in lateral and dorsal view; 75. Shell in dorsal and ventral view of D. brevipes letourneuxi; 76. Distal genitalia of D. brevipes letourneuxi; 77. Shell in dorsal and ventral view of D. rufa atlantica; 78. Distal genitalia of D. rufa atlantica from Riedel (1978) modified. 79–82. Genus Testacella; 79. Mollusc in lateral and dorsal view; 80. Shell in dorsal and ventral view; 81. Distal genitalia of T. fischeriana; 82. Distal genitalia of T. riedeli.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
6ED0D8E83F965A9A9D05E1E889EB3EB0.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550397	https://doi.org/10.3897/zookeys.1270.156458.figures40-45	Figures 40–45. Testacella riedeli, Algeria Tizi-Ouzou, Makouda, Tigoulmamine. 40. Living specimen; 41. Shell; 42. Distal genitalia. 43–45. Distal genitalia of a second specimen; 43. Distal genitalia; 44. Details of distal genitalia; penis without the thick glandular and muscular sheath; 45. Internal view of penis and vagina.	Figures 40–45. Testacella riedeli, Algeria Tizi-Ouzou, Makouda, Tigoulmamine. 40. Living specimen; 41. Shell; 42. Distal genitalia. 43–45. Distal genitalia of a second specimen; 43. Distal genitalia; 44. Details of distal genitalia; penis without the thick glandular and muscular sheath; 45. Internal view of penis and vagina.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
6ED0D8E83F965A9A9D05E1E889EB3EB0.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550387	https://doi.org/10.3897/zookeys.1270.156458.figure1	Figure 1. Map of sampled localities. A. Maghreb, in red the Kabylia region (northern Algeria), black dots = sampling stations, white squares = major cities; B. Detailed view of Kabylia Region.	Figure 1. Map of sampled localities. A. Maghreb, in red the Kabylia region (northern Algeria), black dots = sampling stations, white squares = major cities; B. Detailed view of Kabylia Region.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
6ED0D8E83F965A9A9D05E1E889EB3EB0.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550398	https://doi.org/10.3897/zookeys.1270.156458.figures46-71	Figures 46–71. Identification key of Algerian slugs. 46–49. Letourneuxia numidica from Wiktor (1983 a) modified; 46. Mollusc in lateral and dorsal view; 47. Shell in dorsal and lateral view; 48. Genitalia; 49. Atrial ligula. 50–55. Genus Milax; 50. Mollusc in lateral and dorsal view; 51. Shell in lateral, dorsal and ventral view; 52. Schematic drawing of genitalia, with a section of the atrium and stimulator; 53. Stimulator of M. ater; 54. Stimulator of M. gagates; 55. Stimulator of M. nigricans. 56–58. Drusia deshayesii; 56. Mollusc in lateral and dorsal view; 57. Shell in dorsal and ventral view; 58. Distal genitalia. 59–62. Genus Deroceras; 59. Mollusc in lateral and dorsal view; 60. Shell in dorsal view; 61. Distal genitalia of D. cf. brondelianum; 62. Distal genitalia of D. riedelianum from Wiktor (1983 a) modified. 63–65. Limacus flavus; 63. Mollusc in lateral and dorsal view; 64. Shell in dorsal view; 65. Distal genitalia. 66–71. Genus Ambigolimax; 66. Mollusc in lateral and dorsal view; 67. Shell in dorsal view; 68. Distal genitalia of A. melitensis; 69. Distal genitalia of A. waterstoni; 70. Distal genitalia of A. valentianus; 71. Distal genitalia of A. parvipenis.	Figures 46–71. Identification key of Algerian slugs. 46–49. Letourneuxia numidica from Wiktor (1983 a) modified; 46. Mollusc in lateral and dorsal view; 47. Shell in dorsal and lateral view; 48. Genitalia; 49. Atrial ligula. 50–55. Genus Milax; 50. Mollusc in lateral and dorsal view; 51. Shell in lateral, dorsal and ventral view; 52. Schematic drawing of genitalia, with a section of the atrium and stimulator; 53. Stimulator of M. ater; 54. Stimulator of M. gagates; 55. Stimulator of M. nigricans. 56–58. Drusia deshayesii; 56. Mollusc in lateral and dorsal view; 57. Shell in dorsal and ventral view; 58. Distal genitalia. 59–62. Genus Deroceras; 59. Mollusc in lateral and dorsal view; 60. Shell in dorsal view; 61. Distal genitalia of D. cf. brondelianum; 62. Distal genitalia of D. riedelianum from Wiktor (1983 a) modified. 63–65. Limacus flavus; 63. Mollusc in lateral and dorsal view; 64. Shell in dorsal view; 65. Distal genitalia. 66–71. Genus Ambigolimax; 66. Mollusc in lateral and dorsal view; 67. Shell in dorsal view; 68. Distal genitalia of A. melitensis; 69. Distal genitalia of A. waterstoni; 70. Distal genitalia of A. valentianus; 71. Distal genitalia of A. parvipenis.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
6ED0D8E83F965A9A9D05E1E889EB3EB0.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550399	https://doi.org/10.3897/zookeys.1270.156458.figures72-82	Figures 72–82. Identification key of Algerian semi-slugs. 72, 73. Genus ? Vitrina; 72. Schematic drawing of the mollusc; 73. Shell in frontal, apical and ventral view. 74–78. Genus Daudebardia; 74. Mollusc in lateral and dorsal view; 75. Shell in dorsal and ventral view of D. brevipes letourneuxi; 76. Distal genitalia of D. brevipes letourneuxi; 77. Shell in dorsal and ventral view of D. rufa atlantica; 78. Distal genitalia of D. rufa atlantica from Riedel (1978) modified. 79–82. Genus Testacella; 79. Mollusc in lateral and dorsal view; 80. Shell in dorsal and ventral view; 81. Distal genitalia of T. fischeriana; 82. Distal genitalia of T. riedeli.	Figures 72–82. Identification key of Algerian semi-slugs. 72, 73. Genus ? Vitrina; 72. Schematic drawing of the mollusc; 73. Shell in frontal, apical and ventral view. 74–78. Genus Daudebardia; 74. Mollusc in lateral and dorsal view; 75. Shell in dorsal and ventral view of D. brevipes letourneuxi; 76. Distal genitalia of D. brevipes letourneuxi; 77. Shell in dorsal and ventral view of D. rufa atlantica; 78. Distal genitalia of D. rufa atlantica from Riedel (1978) modified. 79–82. Genus Testacella; 79. Mollusc in lateral and dorsal view; 80. Shell in dorsal and ventral view; 81. Distal genitalia of T. fischeriana; 82. Distal genitalia of T. riedeli.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
26A87517590A59C4A021590700F997C0.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1550399	https://doi.org/10.3897/zookeys.1270.156458.figures72-82	Figures 72–82. Identification key of Algerian semi-slugs. 72, 73. Genus ? Vitrina; 72. Schematic drawing of the mollusc; 73. Shell in frontal, apical and ventral view. 74–78. Genus Daudebardia; 74. Mollusc in lateral and dorsal view; 75. Shell in dorsal and ventral view of D. brevipes letourneuxi; 76. Distal genitalia of D. brevipes letourneuxi; 77. Shell in dorsal and ventral view of D. rufa atlantica; 78. Distal genitalia of D. rufa atlantica from Riedel (1978) modified. 79–82. Genus Testacella; 79. Mollusc in lateral and dorsal view; 80. Shell in dorsal and ventral view; 81. Distal genitalia of T. fischeriana; 82. Distal genitalia of T. riedeli.	Figures 72–82. Identification key of Algerian semi-slugs. 72, 73. Genus ? Vitrina; 72. Schematic drawing of the mollusc; 73. Shell in frontal, apical and ventral view. 74–78. Genus Daudebardia; 74. Mollusc in lateral and dorsal view; 75. Shell in dorsal and ventral view of D. brevipes letourneuxi; 76. Distal genitalia of D. brevipes letourneuxi; 77. Shell in dorsal and ventral view of D. rufa atlantica; 78. Distal genitalia of D. rufa atlantica from Riedel (1978) modified. 79–82. Genus Testacella; 79. Mollusc in lateral and dorsal view; 80. Shell in dorsal and ventral view; 81. Distal genitalia of T. fischeriana; 82. Distal genitalia of T. riedeli.	2026-02-27	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella		Zenodo	biologists	Ramdini, Ramdane;Liberto, Fabio;Sadouk, Ghania;Gregorini, Armando;Colomba, Mariastella			
