taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
471387A59914E771FE6BFCAB9B1CFCAB.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16780039/files/figure.png	https://doi.org/10.5281/zenodo.16780039	Figs 1–19. Species of Eucycloidea. – Figs 1–4. Eucyclompalus? subgradatus n. sp., holotype (GBA 2019/009/0004). – 1–3. Apertural, basal and lateral views, ×2. – 4. Details of the ornament, ×8. – Figs 5–9. Biconomphalus singularis n. gen. n. sp., holotype (GBA 2019/009/0001). – 5–7. Apertural, basal, and lateral views, ×3. – 8–9. Details of the ornament on spire and base, ×6. – Figs 10–14. Riselloidea noszkyi Szabó, 1995 (GBA 2019/009/0002). – 10–12. Apertural, basal, and dorsal views, ×2.5. – 13. Details of the ornament, ×5. – 14. Fragment of another shell with denser collabral ornament (GBA 2019/009/0003), ×2.5. – Figs 15–19. Cupaniella praebiplicata n. sp. – 15. Holotype (GBA 2019/009/0005), s = suture, f = outer groove of the inner fold, ×8. – 16–17. Young specimens, paratypes (GBA 2019/009/0006–7), arrow indicates furrow, the early phase of formation of inner (palatal) plica of last whorl, ×6. – 18. Paratype (GBA 2019/009/0008), an inner mould with traces of the inner fold within penultimate and last whorl, and reflection of latest peristome, ×6. – 19. A fragmentary and partly embedded, full grown specimen, paratype (GBA 2019/009/0009), letters mean the same as for Figure 15, ×6	Figs 1–19. Species of Eucycloidea. – Figs 1–4. Eucyclompalus? subgradatus n. sp., holotype (GBA 2019/009/0004). – 1–3. Apertural, basal and lateral views, ×2. – 4. Details of the ornament, ×8. – Figs 5–9. Biconomphalus singularis n. gen. n. sp., holotype (GBA 2019/009/0001). – 5–7. Apertural, basal, and lateral views, ×3. – 8–9. Details of the ornament on spire and base, ×6. – Figs 10–14. Riselloidea noszkyi Szabó, 1995 (GBA 2019/009/0002). – 10–12. Apertural, basal, and dorsal views, ×2.5. – 13. Details of the ornament, ×5. – 14. Fragment of another shell with denser collabral ornament (GBA 2019/009/0003), ×2.5. – Figs 15–19. Cupaniella praebiplicata n. sp. – 15. Holotype (GBA 2019/009/0005), s = suture, f = outer groove of the inner fold, ×8. – 16–17. Young specimens, paratypes (GBA 2019/009/0006–7), arrow indicates furrow, the early phase of formation of inner (palatal) plica of last whorl, ×6. – 18. Paratype (GBA 2019/009/0008), an inner mould with traces of the inner fold within penultimate and last whorl, and reflection of latest peristome, ×6. – 19. A fragmentary and partly embedded, full grown specimen, paratype (GBA 2019/009/0009), letters mean the same as for Figure 15, ×6	2019-03-20	Szabó, János		Zenodo	biologists	Szabó, János			
471387A59915E771FE7CFC269842F92F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16780039/files/figure.png	https://doi.org/10.5281/zenodo.16780039	Figs 1–19. Species of Eucycloidea. – Figs 1–4. Eucyclompalus? subgradatus n. sp., holotype (GBA 2019/009/0004). – 1–3. Apertural, basal and lateral views, ×2. – 4. Details of the ornament, ×8. – Figs 5–9. Biconomphalus singularis n. gen. n. sp., holotype (GBA 2019/009/0001). – 5–7. Apertural, basal, and lateral views, ×3. – 8–9. Details of the ornament on spire and base, ×6. – Figs 10–14. Riselloidea noszkyi Szabó, 1995 (GBA 2019/009/0002). – 10–12. Apertural, basal, and dorsal views, ×2.5. – 13. Details of the ornament, ×5. – 14. Fragment of another shell with denser collabral ornament (GBA 2019/009/0003), ×2.5. – Figs 15–19. Cupaniella praebiplicata n. sp. – 15. Holotype (GBA 2019/009/0005), s = suture, f = outer groove of the inner fold, ×8. – 16–17. Young specimens, paratypes (GBA 2019/009/0006–7), arrow indicates furrow, the early phase of formation of inner (palatal) plica of last whorl, ×6. – 18. Paratype (GBA 2019/009/0008), an inner mould with traces of the inner fold within penultimate and last whorl, and reflection of latest peristome, ×6. – 19. A fragmentary and partly embedded, full grown specimen, paratype (GBA 2019/009/0009), letters mean the same as for Figure 15, ×6	Figs 1–19. Species of Eucycloidea. – Figs 1–4. Eucyclompalus? subgradatus n. sp., holotype (GBA 2019/009/0004). – 1–3. Apertural, basal and lateral views, ×2. – 4. Details of the ornament, ×8. – Figs 5–9. Biconomphalus singularis n. gen. n. sp., holotype (GBA 2019/009/0001). – 5–7. Apertural, basal, and lateral views, ×3. – 8–9. Details of the ornament on spire and base, ×6. – Figs 10–14. Riselloidea noszkyi Szabó, 1995 (GBA 2019/009/0002). – 10–12. Apertural, basal, and dorsal views, ×2.5. – 13. Details of the ornament, ×5. – 14. Fragment of another shell with denser collabral ornament (GBA 2019/009/0003), ×2.5. – Figs 15–19. Cupaniella praebiplicata n. sp. – 15. Holotype (GBA 2019/009/0005), s = suture, f = outer groove of the inner fold, ×8. – 16–17. Young specimens, paratypes (GBA 2019/009/0006–7), arrow indicates furrow, the early phase of formation of inner (palatal) plica of last whorl, ×6. – 18. Paratype (GBA 2019/009/0008), an inner mould with traces of the inner fold within penultimate and last whorl, and reflection of latest peristome, ×6. – 19. A fragmentary and partly embedded, full grown specimen, paratype (GBA 2019/009/0009), letters mean the same as for Figure 15, ×6	2019-03-20	Szabó, János		Zenodo	biologists	Szabó, János			
471387A59912E776FE15FF699E4DF92F.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16780039/files/figure.png	https://doi.org/10.5281/zenodo.16780039	Figs 1–19. Species of Eucycloidea. – Figs 1–4. Eucyclompalus? subgradatus n. sp., holotype (GBA 2019/009/0004). – 1–3. Apertural, basal and lateral views, ×2. – 4. Details of the ornament, ×8. – Figs 5–9. Biconomphalus singularis n. gen. n. sp., holotype (GBA 2019/009/0001). – 5–7. Apertural, basal, and lateral views, ×3. – 8–9. Details of the ornament on spire and base, ×6. – Figs 10–14. Riselloidea noszkyi Szabó, 1995 (GBA 2019/009/0002). – 10–12. Apertural, basal, and dorsal views, ×2.5. – 13. Details of the ornament, ×5. – 14. Fragment of another shell with denser collabral ornament (GBA 2019/009/0003), ×2.5. – Figs 15–19. Cupaniella praebiplicata n. sp. – 15. Holotype (GBA 2019/009/0005), s = suture, f = outer groove of the inner fold, ×8. – 16–17. Young specimens, paratypes (GBA 2019/009/0006–7), arrow indicates furrow, the early phase of formation of inner (palatal) plica of last whorl, ×6. – 18. Paratype (GBA 2019/009/0008), an inner mould with traces of the inner fold within penultimate and last whorl, and reflection of latest peristome, ×6. – 19. A fragmentary and partly embedded, full grown specimen, paratype (GBA 2019/009/0009), letters mean the same as for Figure 15, ×6	Figs 1–19. Species of Eucycloidea. – Figs 1–4. Eucyclompalus? subgradatus n. sp., holotype (GBA 2019/009/0004). – 1–3. Apertural, basal and lateral views, ×2. – 4. Details of the ornament, ×8. – Figs 5–9. Biconomphalus singularis n. gen. n. sp., holotype (GBA 2019/009/0001). – 5–7. Apertural, basal, and lateral views, ×3. – 8–9. Details of the ornament on spire and base, ×6. – Figs 10–14. Riselloidea noszkyi Szabó, 1995 (GBA 2019/009/0002). – 10–12. Apertural, basal, and dorsal views, ×2.5. – 13. Details of the ornament, ×5. – 14. Fragment of another shell with denser collabral ornament (GBA 2019/009/0003), ×2.5. – Figs 15–19. Cupaniella praebiplicata n. sp. – 15. Holotype (GBA 2019/009/0005), s = suture, f = outer groove of the inner fold, ×8. – 16–17. Young specimens, paratypes (GBA 2019/009/0006–7), arrow indicates furrow, the early phase of formation of inner (palatal) plica of last whorl, ×6. – 18. Paratype (GBA 2019/009/0008), an inner mould with traces of the inner fold within penultimate and last whorl, and reflection of latest peristome, ×6. – 19. A fragmentary and partly embedded, full grown specimen, paratype (GBA 2019/009/0009), letters mean the same as for Figure 15, ×6	2019-03-20	Szabó, János		Zenodo	biologists	Szabó, János			
471387A59913E775FE7DFBA09EB7FE04.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16780039/files/figure.png	https://doi.org/10.5281/zenodo.16780039	Figs 1–19. Species of Eucycloidea. – Figs 1–4. Eucyclompalus? subgradatus n. sp., holotype (GBA 2019/009/0004). – 1–3. Apertural, basal and lateral views, ×2. – 4. Details of the ornament, ×8. – Figs 5–9. Biconomphalus singularis n. gen. n. sp., holotype (GBA 2019/009/0001). – 5–7. Apertural, basal, and lateral views, ×3. – 8–9. Details of the ornament on spire and base, ×6. – Figs 10–14. Riselloidea noszkyi Szabó, 1995 (GBA 2019/009/0002). – 10–12. Apertural, basal, and dorsal views, ×2.5. – 13. Details of the ornament, ×5. – 14. Fragment of another shell with denser collabral ornament (GBA 2019/009/0003), ×2.5. – Figs 15–19. Cupaniella praebiplicata n. sp. – 15. Holotype (GBA 2019/009/0005), s = suture, f = outer groove of the inner fold, ×8. – 16–17. Young specimens, paratypes (GBA 2019/009/0006–7), arrow indicates furrow, the early phase of formation of inner (palatal) plica of last whorl, ×6. – 18. Paratype (GBA 2019/009/0008), an inner mould with traces of the inner fold within penultimate and last whorl, and reflection of latest peristome, ×6. – 19. A fragmentary and partly embedded, full grown specimen, paratype (GBA 2019/009/0009), letters mean the same as for Figure 15, ×6	Figs 1–19. Species of Eucycloidea. – Figs 1–4. Eucyclompalus? subgradatus n. sp., holotype (GBA 2019/009/0004). – 1–3. Apertural, basal and lateral views, ×2. – 4. Details of the ornament, ×8. – Figs 5–9. Biconomphalus singularis n. gen. n. sp., holotype (GBA 2019/009/0001). – 5–7. Apertural, basal, and lateral views, ×3. – 8–9. Details of the ornament on spire and base, ×6. – Figs 10–14. Riselloidea noszkyi Szabó, 1995 (GBA 2019/009/0002). – 10–12. Apertural, basal, and dorsal views, ×2.5. – 13. Details of the ornament, ×5. – 14. Fragment of another shell with denser collabral ornament (GBA 2019/009/0003), ×2.5. – Figs 15–19. Cupaniella praebiplicata n. sp. – 15. Holotype (GBA 2019/009/0005), s = suture, f = outer groove of the inner fold, ×8. – 16–17. Young specimens, paratypes (GBA 2019/009/0006–7), arrow indicates furrow, the early phase of formation of inner (palatal) plica of last whorl, ×6. – 18. Paratype (GBA 2019/009/0008), an inner mould with traces of the inner fold within penultimate and last whorl, and reflection of latest peristome, ×6. – 19. A fragmentary and partly embedded, full grown specimen, paratype (GBA 2019/009/0009), letters mean the same as for Figure 15, ×6	2019-03-20	Szabó, János		Zenodo	biologists	Szabó, János			
471387A59911E778FE5DFBA09E78FDEA.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16780039/files/figure.png	https://doi.org/10.5281/zenodo.16780039	Figs 1–19. Species of Eucycloidea. – Figs 1–4. Eucyclompalus? subgradatus n. sp., holotype (GBA 2019/009/0004). – 1–3. Apertural, basal and lateral views, ×2. – 4. Details of the ornament, ×8. – Figs 5–9. Biconomphalus singularis n. gen. n. sp., holotype (GBA 2019/009/0001). – 5–7. Apertural, basal, and lateral views, ×3. – 8–9. Details of the ornament on spire and base, ×6. – Figs 10–14. Riselloidea noszkyi Szabó, 1995 (GBA 2019/009/0002). – 10–12. Apertural, basal, and dorsal views, ×2.5. – 13. Details of the ornament, ×5. – 14. Fragment of another shell with denser collabral ornament (GBA 2019/009/0003), ×2.5. – Figs 15–19. Cupaniella praebiplicata n. sp. – 15. Holotype (GBA 2019/009/0005), s = suture, f = outer groove of the inner fold, ×8. – 16–17. Young specimens, paratypes (GBA 2019/009/0006–7), arrow indicates furrow, the early phase of formation of inner (palatal) plica of last whorl, ×6. – 18. Paratype (GBA 2019/009/0008), an inner mould with traces of the inner fold within penultimate and last whorl, and reflection of latest peristome, ×6. – 19. A fragmentary and partly embedded, full grown specimen, paratype (GBA 2019/009/0009), letters mean the same as for Figure 15, ×6	Figs 1–19. Species of Eucycloidea. – Figs 1–4. Eucyclompalus? subgradatus n. sp., holotype (GBA 2019/009/0004). – 1–3. Apertural, basal and lateral views, ×2. – 4. Details of the ornament, ×8. – Figs 5–9. Biconomphalus singularis n. gen. n. sp., holotype (GBA 2019/009/0001). – 5–7. Apertural, basal, and lateral views, ×3. – 8–9. Details of the ornament on spire and base, ×6. – Figs 10–14. Riselloidea noszkyi Szabó, 1995 (GBA 2019/009/0002). – 10–12. Apertural, basal, and dorsal views, ×2.5. – 13. Details of the ornament, ×5. – 14. Fragment of another shell with denser collabral ornament (GBA 2019/009/0003), ×2.5. – Figs 15–19. Cupaniella praebiplicata n. sp. – 15. Holotype (GBA 2019/009/0005), s = suture, f = outer groove of the inner fold, ×8. – 16–17. Young specimens, paratypes (GBA 2019/009/0006–7), arrow indicates furrow, the early phase of formation of inner (palatal) plica of last whorl, ×6. – 18. Paratype (GBA 2019/009/0008), an inner mould with traces of the inner fold within penultimate and last whorl, and reflection of latest peristome, ×6. – 19. A fragmentary and partly embedded, full grown specimen, paratype (GBA 2019/009/0009), letters mean the same as for Figure 15, ×6	2019-03-20	Szabó, János		Zenodo	biologists	Szabó, János			
471387A5991CE779FE6FFCCB9EB7FC42.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16780041/files/figure.png	https://doi.org/10.5281/zenodo.16780041	Figs 20–50. Species of Trochoidea. – Figs 20–25. Callotrochus? avernoides n. sp. – 20–22. Holotype (HNHM, M 59.157), apertural, dorsal, and basal views, ×2. – 23–25. Paratype (HNHM, M 57.3617), apertural, dorsal, and basal views, ×2. – Figs 26–36. Karsaconulus robustus n. gen. n sp. – 26–27. Holotype (GBA 2019/009/0011), apertural and dorsal views, ×3. – 28. More enlarged, slightly oblique view of peristome of the holotype, ×5. – 29–31. Paratype (GBA 2019/009/0012), apertural, dorsal, and basal views, ×3. – 32–33. Paratype (GBA 2019/009/0013), dorsal and apical views, ×3. – 34. Paratype (GBA 2019/009/0013), details of ornament of the early shell, ×13. – 35– 36. Paratype (GBA 2019/009/0014). – 35. Apical view, ×3. – 36. Detailed apical view, ×15. – Figs 37–50. Csigabaga nillae n. gen. n. sp. – 37–40. Paratype (GBA 2019/009/0024). – 37–39. Apertural, dorsal, and basal views, ×3. – 40. Growth line arrangements of the latest base, ×6. – 41–42. Holotype (GBA 2019/009/0023), apertural and lateral views, ×3. – 43. Magnification of the less damaged peristome from among the available specimens, holotype, ×6. – 44–46. Paratype (GBA 2019/009/0025), a not fully grown specimen that shows well the columellar fold without the final peristome modifications. – 44–45. Apertural and dorsal views, ×3. – 46. Aperture, ×6. – 47–48. Paratype (GBA 2019/009/0026), basal views showing the place of the inner fold as shallow depression in normal and oblique position, ×3. – 49–50. Paratype (GBA 2019/009/0027), a damaged shell that exposes the traces of the inner basal fold that developed during the latest growth phase, in slightly oblique and in normal views, ×3	Figs 20–50. Species of Trochoidea. – Figs 20–25. Callotrochus? avernoides n. sp. – 20–22. Holotype (HNHM, M 59.157), apertural, dorsal, and basal views, ×2. – 23–25. Paratype (HNHM, M 57.3617), apertural, dorsal, and basal views, ×2. – Figs 26–36. Karsaconulus robustus n. gen. n sp. – 26–27. Holotype (GBA 2019/009/0011), apertural and dorsal views, ×3. – 28. More enlarged, slightly oblique view of peristome of the holotype, ×5. – 29–31. Paratype (GBA 2019/009/0012), apertural, dorsal, and basal views, ×3. – 32–33. Paratype (GBA 2019/009/0013), dorsal and apical views, ×3. – 34. Paratype (GBA 2019/009/0013), details of ornament of the early shell, ×13. – 35– 36. Paratype (GBA 2019/009/0014). – 35. Apical view, ×3. – 36. Detailed apical view, ×15. – Figs 37–50. Csigabaga nillae n. gen. n. sp. – 37–40. Paratype (GBA 2019/009/0024). – 37–39. Apertural, dorsal, and basal views, ×3. – 40. Growth line arrangements of the latest base, ×6. – 41–42. Holotype (GBA 2019/009/0023), apertural and lateral views, ×3. – 43. Magnification of the less damaged peristome from among the available specimens, holotype, ×6. – 44–46. Paratype (GBA 2019/009/0025), a not fully grown specimen that shows well the columellar fold without the final peristome modifications. – 44–45. Apertural and dorsal views, ×3. – 46. Aperture, ×6. – 47–48. Paratype (GBA 2019/009/0026), basal views showing the place of the inner fold as shallow depression in normal and oblique position, ×3. – 49–50. Paratype (GBA 2019/009/0027), a damaged shell that exposes the traces of the inner basal fold that developed during the latest growth phase, in slightly oblique and in normal views, ×3	2019-03-20	Szabó, János		Zenodo	biologists	Szabó, János			
471387A5991AE77FFE7AFD419EB7FB91.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16780041/files/figure.png	https://doi.org/10.5281/zenodo.16780041	Figs 20–50. Species of Trochoidea. – Figs 20–25. Callotrochus? avernoides n. sp. – 20–22. Holotype (HNHM, M 59.157), apertural, dorsal, and basal views, ×2. – 23–25. Paratype (HNHM, M 57.3617), apertural, dorsal, and basal views, ×2. – Figs 26–36. Karsaconulus robustus n. gen. n sp. – 26–27. Holotype (GBA 2019/009/0011), apertural and dorsal views, ×3. – 28. More enlarged, slightly oblique view of peristome of the holotype, ×5. – 29–31. Paratype (GBA 2019/009/0012), apertural, dorsal, and basal views, ×3. – 32–33. Paratype (GBA 2019/009/0013), dorsal and apical views, ×3. – 34. Paratype (GBA 2019/009/0013), details of ornament of the early shell, ×13. – 35– 36. Paratype (GBA 2019/009/0014). – 35. Apical view, ×3. – 36. Detailed apical view, ×15. – Figs 37–50. Csigabaga nillae n. gen. n. sp. – 37–40. Paratype (GBA 2019/009/0024). – 37–39. Apertural, dorsal, and basal views, ×3. – 40. Growth line arrangements of the latest base, ×6. – 41–42. Holotype (GBA 2019/009/0023), apertural and lateral views, ×3. – 43. Magnification of the less damaged peristome from among the available specimens, holotype, ×6. – 44–46. Paratype (GBA 2019/009/0025), a not fully grown specimen that shows well the columellar fold without the final peristome modifications. – 44–45. Apertural and dorsal views, ×3. – 46. Aperture, ×6. – 47–48. Paratype (GBA 2019/009/0026), basal views showing the place of the inner fold as shallow depression in normal and oblique position, ×3. – 49–50. Paratype (GBA 2019/009/0027), a damaged shell that exposes the traces of the inner basal fold that developed during the latest growth phase, in slightly oblique and in normal views, ×3	Figs 20–50. Species of Trochoidea. – Figs 20–25. Callotrochus? avernoides n. sp. – 20–22. Holotype (HNHM, M 59.157), apertural, dorsal, and basal views, ×2. – 23–25. Paratype (HNHM, M 57.3617), apertural, dorsal, and basal views, ×2. – Figs 26–36. Karsaconulus robustus n. gen. n sp. – 26–27. Holotype (GBA 2019/009/0011), apertural and dorsal views, ×3. – 28. More enlarged, slightly oblique view of peristome of the holotype, ×5. – 29–31. Paratype (GBA 2019/009/0012), apertural, dorsal, and basal views, ×3. – 32–33. Paratype (GBA 2019/009/0013), dorsal and apical views, ×3. – 34. Paratype (GBA 2019/009/0013), details of ornament of the early shell, ×13. – 35– 36. Paratype (GBA 2019/009/0014). – 35. Apical view, ×3. – 36. Detailed apical view, ×15. – Figs 37–50. Csigabaga nillae n. gen. n. sp. – 37–40. Paratype (GBA 2019/009/0024). – 37–39. Apertural, dorsal, and basal views, ×3. – 40. Growth line arrangements of the latest base, ×6. – 41–42. Holotype (GBA 2019/009/0023), apertural and lateral views, ×3. – 43. Magnification of the less damaged peristome from among the available specimens, holotype, ×6. – 44–46. Paratype (GBA 2019/009/0025), a not fully grown specimen that shows well the columellar fold without the final peristome modifications. – 44–45. Apertural and dorsal views, ×3. – 46. Aperture, ×6. – 47–48. Paratype (GBA 2019/009/0026), basal views showing the place of the inner fold as shallow depression in normal and oblique position, ×3. – 49–50. Paratype (GBA 2019/009/0027), a damaged shell that exposes the traces of the inner basal fold that developed during the latest growth phase, in slightly oblique and in normal views, ×3	2019-03-20	Szabó, János		Zenodo	biologists	Szabó, János			
471387A59918E762FE53FDD29E78FD5C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16780041/files/figure.png	https://doi.org/10.5281/zenodo.16780041	Figs 20–50. Species of Trochoidea. – Figs 20–25. Callotrochus? avernoides n. sp. – 20–22. Holotype (HNHM, M 59.157), apertural, dorsal, and basal views, ×2. – 23–25. Paratype (HNHM, M 57.3617), apertural, dorsal, and basal views, ×2. – Figs 26–36. Karsaconulus robustus n. gen. n sp. – 26–27. Holotype (GBA 2019/009/0011), apertural and dorsal views, ×3. – 28. More enlarged, slightly oblique view of peristome of the holotype, ×5. – 29–31. Paratype (GBA 2019/009/0012), apertural, dorsal, and basal views, ×3. – 32–33. Paratype (GBA 2019/009/0013), dorsal and apical views, ×3. – 34. Paratype (GBA 2019/009/0013), details of ornament of the early shell, ×13. – 35– 36. Paratype (GBA 2019/009/0014). – 35. Apical view, ×3. – 36. Detailed apical view, ×15. – Figs 37–50. Csigabaga nillae n. gen. n. sp. – 37–40. Paratype (GBA 2019/009/0024). – 37–39. Apertural, dorsal, and basal views, ×3. – 40. Growth line arrangements of the latest base, ×6. – 41–42. Holotype (GBA 2019/009/0023), apertural and lateral views, ×3. – 43. Magnification of the less damaged peristome from among the available specimens, holotype, ×6. – 44–46. Paratype (GBA 2019/009/0025), a not fully grown specimen that shows well the columellar fold without the final peristome modifications. – 44–45. Apertural and dorsal views, ×3. – 46. Aperture, ×6. – 47–48. Paratype (GBA 2019/009/0026), basal views showing the place of the inner fold as shallow depression in normal and oblique position, ×3. – 49–50. Paratype (GBA 2019/009/0027), a damaged shell that exposes the traces of the inner basal fold that developed during the latest growth phase, in slightly oblique and in normal views, ×3	Figs 20–50. Species of Trochoidea. – Figs 20–25. Callotrochus? avernoides n. sp. – 20–22. Holotype (HNHM, M 59.157), apertural, dorsal, and basal views, ×2. – 23–25. Paratype (HNHM, M 57.3617), apertural, dorsal, and basal views, ×2. – Figs 26–36. Karsaconulus robustus n. gen. n sp. – 26–27. Holotype (GBA 2019/009/0011), apertural and dorsal views, ×3. – 28. More enlarged, slightly oblique view of peristome of the holotype, ×5. – 29–31. Paratype (GBA 2019/009/0012), apertural, dorsal, and basal views, ×3. – 32–33. Paratype (GBA 2019/009/0013), dorsal and apical views, ×3. – 34. Paratype (GBA 2019/009/0013), details of ornament of the early shell, ×13. – 35– 36. Paratype (GBA 2019/009/0014). – 35. Apical view, ×3. – 36. Detailed apical view, ×15. – Figs 37–50. Csigabaga nillae n. gen. n. sp. – 37–40. Paratype (GBA 2019/009/0024). – 37–39. Apertural, dorsal, and basal views, ×3. – 40. Growth line arrangements of the latest base, ×6. – 41–42. Holotype (GBA 2019/009/0023), apertural and lateral views, ×3. – 43. Magnification of the less damaged peristome from among the available specimens, holotype, ×6. – 44–46. Paratype (GBA 2019/009/0025), a not fully grown specimen that shows well the columellar fold without the final peristome modifications. – 44–45. Apertural and dorsal views, ×3. – 46. Aperture, ×6. – 47–48. Paratype (GBA 2019/009/0026), basal views showing the place of the inner fold as shallow depression in normal and oblique position, ×3. – 49–50. Paratype (GBA 2019/009/0027), a damaged shell that exposes the traces of the inner basal fold that developed during the latest growth phase, in slightly oblique and in normal views, ×3	2019-03-20	Szabó, János		Zenodo	biologists	Szabó, János			
471387A59907E763FDE9FF699EB7FB74.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16780043/files/figure.png	https://doi.org/10.5281/zenodo.16780043	Figs 51–71. Species of Neritimorpha and Caenogastropoda. – Figs 51–53. Colubrellopsis? sp. (GBA 2019/009/0031). – 51–52. Apertural and dorsal views, ×3. – 53. Details of the ornament, ×5. – Figs 54–56. Neridomus? sp. (GBA 2019/009/0032), apertural, apical and dorsal views, ×3. – Figs 57–67. Hierlatzella arcana n. gen. n. sp. – 57–60. Holotype (GBA 2019/009/0033). – 57. Dorsal view, ×3. – 58. Slightly oblique apertural view, ×3. – 59. Dorsal view, ×6. – 60. Slightly oblique apertural view, ×10. – 61–62. Paratype (GBA 2019/009/0034), apertural and dorsal views, ×3. – 63–64. Paratype (GBA 2019/009/0035), apertural and dorsal views, ×3. – 65–66. Paratype (GBA 2019/009/0036), apertural and dorsal views, ×3. – 67. Nearly axial cross section of a paratype (GBA 2019/009/0037) to show the peculiar inner shell morphology, ×10. – Figs 68–69. Coelostylina? sp1. (GBA 2019/009/0044). – 68. Lateral view, ×1. – 69. Preserved shell part, ×4. – Figs 70–71. Coe- lostylina? sp2. (GBA 2019/009/0045). – 70. Lateral view, ×1. – 71. Ornament on the whorls, ×2.3	Figs 51–71. Species of Neritimorpha and Caenogastropoda. – Figs 51–53. Colubrellopsis? sp. (GBA 2019/009/0031). – 51–52. Apertural and dorsal views, ×3. – 53. Details of the ornament, ×5. – Figs 54–56. Neridomus? sp. (GBA 2019/009/0032), apertural, apical and dorsal views, ×3. – Figs 57–67. Hierlatzella arcana n. gen. n. sp. – 57–60. Holotype (GBA 2019/009/0033). – 57. Dorsal view, ×3. – 58. Slightly oblique apertural view, ×3. – 59. Dorsal view, ×6. – 60. Slightly oblique apertural view, ×10. – 61–62. Paratype (GBA 2019/009/0034), apertural and dorsal views, ×3. – 63–64. Paratype (GBA 2019/009/0035), apertural and dorsal views, ×3. – 65–66. Paratype (GBA 2019/009/0036), apertural and dorsal views, ×3. – 67. Nearly axial cross section of a paratype (GBA 2019/009/0037) to show the peculiar inner shell morphology, ×10. – Figs 68–69. Coelostylina? sp1. (GBA 2019/009/0044). – 68. Lateral view, ×1. – 69. Preserved shell part, ×4. – Figs 70–71. Coe- lostylina? sp2. (GBA 2019/009/0045). – 70. Lateral view, ×1. – 71. Ornament on the whorls, ×2.3	2019-03-20	Szabó, János		Zenodo	biologists	Szabó, János			
471387A59907E760FDF8FA0D9E78FD36.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16780043/files/figure.png	https://doi.org/10.5281/zenodo.16780043	Figs 51–71. Species of Neritimorpha and Caenogastropoda. – Figs 51–53. Colubrellopsis? sp. (GBA 2019/009/0031). – 51–52. Apertural and dorsal views, ×3. – 53. Details of the ornament, ×5. – Figs 54–56. Neridomus? sp. (GBA 2019/009/0032), apertural, apical and dorsal views, ×3. – Figs 57–67. Hierlatzella arcana n. gen. n. sp. – 57–60. Holotype (GBA 2019/009/0033). – 57. Dorsal view, ×3. – 58. Slightly oblique apertural view, ×3. – 59. Dorsal view, ×6. – 60. Slightly oblique apertural view, ×10. – 61–62. Paratype (GBA 2019/009/0034), apertural and dorsal views, ×3. – 63–64. Paratype (GBA 2019/009/0035), apertural and dorsal views, ×3. – 65–66. Paratype (GBA 2019/009/0036), apertural and dorsal views, ×3. – 67. Nearly axial cross section of a paratype (GBA 2019/009/0037) to show the peculiar inner shell morphology, ×10. – Figs 68–69. Coelostylina? sp1. (GBA 2019/009/0044). – 68. Lateral view, ×1. – 69. Preserved shell part, ×4. – Figs 70–71. Coe- lostylina? sp2. (GBA 2019/009/0045). – 70. Lateral view, ×1. – 71. Ornament on the whorls, ×2.3	Figs 51–71. Species of Neritimorpha and Caenogastropoda. – Figs 51–53. Colubrellopsis? sp. (GBA 2019/009/0031). – 51–52. Apertural and dorsal views, ×3. – 53. Details of the ornament, ×5. – Figs 54–56. Neridomus? sp. (GBA 2019/009/0032), apertural, apical and dorsal views, ×3. – Figs 57–67. Hierlatzella arcana n. gen. n. sp. – 57–60. Holotype (GBA 2019/009/0033). – 57. Dorsal view, ×3. – 58. Slightly oblique apertural view, ×3. – 59. Dorsal view, ×6. – 60. Slightly oblique apertural view, ×10. – 61–62. Paratype (GBA 2019/009/0034), apertural and dorsal views, ×3. – 63–64. Paratype (GBA 2019/009/0035), apertural and dorsal views, ×3. – 65–66. Paratype (GBA 2019/009/0036), apertural and dorsal views, ×3. – 67. Nearly axial cross section of a paratype (GBA 2019/009/0037) to show the peculiar inner shell morphology, ×10. – Figs 68–69. Coelostylina? sp1. (GBA 2019/009/0044). – 68. Lateral view, ×1. – 69. Preserved shell part, ×4. – Figs 70–71. Coe- lostylina? sp2. (GBA 2019/009/0045). – 70. Lateral view, ×1. – 71. Ornament on the whorls, ×2.3	2019-03-20	Szabó, János		Zenodo	biologists	Szabó, János			
471387A59902E767FE48FEE49EB7FDC5.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16780043/files/figure.png	https://doi.org/10.5281/zenodo.16780043	Figs 51–71. Species of Neritimorpha and Caenogastropoda. – Figs 51–53. Colubrellopsis? sp. (GBA 2019/009/0031). – 51–52. Apertural and dorsal views, ×3. – 53. Details of the ornament, ×5. – Figs 54–56. Neridomus? sp. (GBA 2019/009/0032), apertural, apical and dorsal views, ×3. – Figs 57–67. Hierlatzella arcana n. gen. n. sp. – 57–60. Holotype (GBA 2019/009/0033). – 57. Dorsal view, ×3. – 58. Slightly oblique apertural view, ×3. – 59. Dorsal view, ×6. – 60. Slightly oblique apertural view, ×10. – 61–62. Paratype (GBA 2019/009/0034), apertural and dorsal views, ×3. – 63–64. Paratype (GBA 2019/009/0035), apertural and dorsal views, ×3. – 65–66. Paratype (GBA 2019/009/0036), apertural and dorsal views, ×3. – 67. Nearly axial cross section of a paratype (GBA 2019/009/0037) to show the peculiar inner shell morphology, ×10. – Figs 68–69. Coelostylina? sp1. (GBA 2019/009/0044). – 68. Lateral view, ×1. – 69. Preserved shell part, ×4. – Figs 70–71. Coe- lostylina? sp2. (GBA 2019/009/0045). – 70. Lateral view, ×1. – 71. Ornament on the whorls, ×2.3	Figs 51–71. Species of Neritimorpha and Caenogastropoda. – Figs 51–53. Colubrellopsis? sp. (GBA 2019/009/0031). – 51–52. Apertural and dorsal views, ×3. – 53. Details of the ornament, ×5. – Figs 54–56. Neridomus? sp. (GBA 2019/009/0032), apertural, apical and dorsal views, ×3. – Figs 57–67. Hierlatzella arcana n. gen. n. sp. – 57–60. Holotype (GBA 2019/009/0033). – 57. Dorsal view, ×3. – 58. Slightly oblique apertural view, ×3. – 59. Dorsal view, ×6. – 60. Slightly oblique apertural view, ×10. – 61–62. Paratype (GBA 2019/009/0034), apertural and dorsal views, ×3. – 63–64. Paratype (GBA 2019/009/0035), apertural and dorsal views, ×3. – 65–66. Paratype (GBA 2019/009/0036), apertural and dorsal views, ×3. – 67. Nearly axial cross section of a paratype (GBA 2019/009/0037) to show the peculiar inner shell morphology, ×10. – Figs 68–69. Coelostylina? sp1. (GBA 2019/009/0044). – 68. Lateral view, ×1. – 69. Preserved shell part, ×4. – Figs 70–71. Coe- lostylina? sp2. (GBA 2019/009/0045). – 70. Lateral view, ×1. – 71. Ornament on the whorls, ×2.3	2019-03-20	Szabó, János		Zenodo	biologists	Szabó, János			
471387A59903E767FDEEFD729EB7FA23.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16780043/files/figure.png	https://doi.org/10.5281/zenodo.16780043	Figs 51–71. Species of Neritimorpha and Caenogastropoda. – Figs 51–53. Colubrellopsis? sp. (GBA 2019/009/0031). – 51–52. Apertural and dorsal views, ×3. – 53. Details of the ornament, ×5. – Figs 54–56. Neridomus? sp. (GBA 2019/009/0032), apertural, apical and dorsal views, ×3. – Figs 57–67. Hierlatzella arcana n. gen. n. sp. – 57–60. Holotype (GBA 2019/009/0033). – 57. Dorsal view, ×3. – 58. Slightly oblique apertural view, ×3. – 59. Dorsal view, ×6. – 60. Slightly oblique apertural view, ×10. – 61–62. Paratype (GBA 2019/009/0034), apertural and dorsal views, ×3. – 63–64. Paratype (GBA 2019/009/0035), apertural and dorsal views, ×3. – 65–66. Paratype (GBA 2019/009/0036), apertural and dorsal views, ×3. – 67. Nearly axial cross section of a paratype (GBA 2019/009/0037) to show the peculiar inner shell morphology, ×10. – Figs 68–69. Coelostylina? sp1. (GBA 2019/009/0044). – 68. Lateral view, ×1. – 69. Preserved shell part, ×4. – Figs 70–71. Coe- lostylina? sp2. (GBA 2019/009/0045). – 70. Lateral view, ×1. – 71. Ornament on the whorls, ×2.3	Figs 51–71. Species of Neritimorpha and Caenogastropoda. – Figs 51–53. Colubrellopsis? sp. (GBA 2019/009/0031). – 51–52. Apertural and dorsal views, ×3. – 53. Details of the ornament, ×5. – Figs 54–56. Neridomus? sp. (GBA 2019/009/0032), apertural, apical and dorsal views, ×3. – Figs 57–67. Hierlatzella arcana n. gen. n. sp. – 57–60. Holotype (GBA 2019/009/0033). – 57. Dorsal view, ×3. – 58. Slightly oblique apertural view, ×3. – 59. Dorsal view, ×6. – 60. Slightly oblique apertural view, ×10. – 61–62. Paratype (GBA 2019/009/0034), apertural and dorsal views, ×3. – 63–64. Paratype (GBA 2019/009/0035), apertural and dorsal views, ×3. – 65–66. Paratype (GBA 2019/009/0036), apertural and dorsal views, ×3. – 67. Nearly axial cross section of a paratype (GBA 2019/009/0037) to show the peculiar inner shell morphology, ×10. – Figs 68–69. Coelostylina? sp1. (GBA 2019/009/0044). – 68. Lateral view, ×1. – 69. Preserved shell part, ×4. – Figs 70–71. Coe- lostylina? sp2. (GBA 2019/009/0045). – 70. Lateral view, ×1. – 71. Ornament on the whorls, ×2.3	2019-03-20	Szabó, János		Zenodo	biologists	Szabó, János			
471387A59903E764FDEEFA779E78FC1C.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://zenodo.org/record/16780043/files/figure.png	https://doi.org/10.5281/zenodo.16780043	Figs 51–71. Species of Neritimorpha and Caenogastropoda. – Figs 51–53. Colubrellopsis? sp. (GBA 2019/009/0031). – 51–52. Apertural and dorsal views, ×3. – 53. Details of the ornament, ×5. – Figs 54–56. Neridomus? sp. (GBA 2019/009/0032), apertural, apical and dorsal views, ×3. – Figs 57–67. Hierlatzella arcana n. gen. n. sp. – 57–60. Holotype (GBA 2019/009/0033). – 57. Dorsal view, ×3. – 58. Slightly oblique apertural view, ×3. – 59. Dorsal view, ×6. – 60. Slightly oblique apertural view, ×10. – 61–62. Paratype (GBA 2019/009/0034), apertural and dorsal views, ×3. – 63–64. Paratype (GBA 2019/009/0035), apertural and dorsal views, ×3. – 65–66. Paratype (GBA 2019/009/0036), apertural and dorsal views, ×3. – 67. Nearly axial cross section of a paratype (GBA 2019/009/0037) to show the peculiar inner shell morphology, ×10. – Figs 68–69. Coelostylina? sp1. (GBA 2019/009/0044). – 68. Lateral view, ×1. – 69. Preserved shell part, ×4. – Figs 70–71. Coe- lostylina? sp2. (GBA 2019/009/0045). – 70. Lateral view, ×1. – 71. Ornament on the whorls, ×2.3	Figs 51–71. Species of Neritimorpha and Caenogastropoda. – Figs 51–53. Colubrellopsis? sp. (GBA 2019/009/0031). – 51–52. Apertural and dorsal views, ×3. – 53. Details of the ornament, ×5. – Figs 54–56. Neridomus? sp. (GBA 2019/009/0032), apertural, apical and dorsal views, ×3. – Figs 57–67. Hierlatzella arcana n. gen. n. sp. – 57–60. Holotype (GBA 2019/009/0033). – 57. Dorsal view, ×3. – 58. Slightly oblique apertural view, ×3. – 59. Dorsal view, ×6. – 60. Slightly oblique apertural view, ×10. – 61–62. Paratype (GBA 2019/009/0034), apertural and dorsal views, ×3. – 63–64. Paratype (GBA 2019/009/0035), apertural and dorsal views, ×3. – 65–66. Paratype (GBA 2019/009/0036), apertural and dorsal views, ×3. – 67. Nearly axial cross section of a paratype (GBA 2019/009/0037) to show the peculiar inner shell morphology, ×10. – Figs 68–69. Coelostylina? sp1. (GBA 2019/009/0044). – 68. Lateral view, ×1. – 69. Preserved shell part, ×4. – Figs 70–71. Coe- lostylina? sp2. (GBA 2019/009/0045). – 70. Lateral view, ×1. – 71. Ornament on the whorls, ×2.3	2019-03-20	Szabó, János		Zenodo	biologists	Szabó, János			
