taxonID	type	format	identifier	references	title	description	created	creator	contributor	publisher	audience	source	license	rightsHolder	datasetID
91E6CB1F1BB55703B18D3EB3037717FC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1510956	https://doi.org/10.3897/zookeys.1266.172575.figure1	Figure 1. Geosesarma wongi sp. nov., holotype male (12.7 × 11.3 mm) (ZRC 2025.0023), Perak. Colour in life. Photograph: Francis Seow-Choen.	Figure 1. Geosesarma wongi sp. nov., holotype male (12.7 × 11.3 mm) (ZRC 2025.0023), Perak. Colour in life. Photograph: Francis Seow-Choen.	2026-01-14	Ng, Peter K. L.		Zenodo	biologists	Ng, Peter K. L.			
91E6CB1F1BB55703B18D3EB3037717FC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1510957	https://doi.org/10.3897/zookeys.1266.172575.figure2	Figure 2. Geosesarma wongi sp. nov., holotype male (12.7 × 11.3 mm) (ZRC 2025.0023), Perak. A. Dorsal habitus; B. Dorsal view of carapace; C. Frontal view of cephalothorax; D. Ventral surface of cephalothorax.	Figure 2. Geosesarma wongi sp. nov., holotype male (12.7 × 11.3 mm) (ZRC 2025.0023), Perak. A. Dorsal habitus; B. Dorsal view of carapace; C. Frontal view of cephalothorax; D. Ventral surface of cephalothorax.	2026-01-14	Ng, Peter K. L.		Zenodo	biologists	Ng, Peter K. L.			
91E6CB1F1BB55703B18D3EB3037717FC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1510958	https://doi.org/10.3897/zookeys.1266.172575.figure3	Figure 3. Geosesarma wongi sp. nov., holotype male (12.7 × 11.3 mm) (ZRC 2025.0023), Perak. A. Outer view of left chela; B. Dorsal view of left cheliped; C. Inner view of left chela showing crest; D. Dactylus of left chela (subdorsal view); E. Propodus and dactylus of right P 2; F. Right P 5.	Figure 3. Geosesarma wongi sp. nov., holotype male (12.7 × 11.3 mm) (ZRC 2025.0023), Perak. A. Outer view of left chela; B. Dorsal view of left cheliped; C. Inner view of left chela showing crest; D. Dactylus of left chela (subdorsal view); E. Propodus and dactylus of right P 2; F. Right P 5.	2026-01-14	Ng, Peter K. L.		Zenodo	biologists	Ng, Peter K. L.			
91E6CB1F1BB55703B18D3EB3037717FC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1510959	https://doi.org/10.3897/zookeys.1266.172575.figure4	Figure 4. Geosesarma wongi sp. nov. A – C. Holotype male (12.7 × 11.3 mm) (ZRC 2025.0023), Perak; D – F. Paratype female (12.6 × 10.8 mm) (ZRC 2025.0027), Perak; A. Male sternopleonal cavity; B. Male sternopleonal cavity and pleonal somites 5, 6 and telson; C. Male pleonal somites 2–6 and telson (telson slightly bent anteriorly); D. Female dorsal habitus; E. Ventral surface of female cephalothorax showing pleon; F. Female sternopleonal cavity showing vulvae.	Figure 4. Geosesarma wongi sp. nov. A – C. Holotype male (12.7 × 11.3 mm) (ZRC 2025.0023), Perak; D – F. Paratype female (12.6 × 10.8 mm) (ZRC 2025.0027), Perak; A. Male sternopleonal cavity; B. Male sternopleonal cavity and pleonal somites 5, 6 and telson; C. Male pleonal somites 2–6 and telson (telson slightly bent anteriorly); D. Female dorsal habitus; E. Ventral surface of female cephalothorax showing pleon; F. Female sternopleonal cavity showing vulvae.	2026-01-14	Ng, Peter K. L.		Zenodo	biologists	Ng, Peter K. L.			
91E6CB1F1BB55703B18D3EB3037717FC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1510960	https://doi.org/10.3897/zookeys.1266.172575.figure5	Figure 5. Geosesarma wongi sp. nov., holotype male (12.7 × 11.3 mm) (ZRC 2025.0023), Perak. A. Left third maxilliped; B. Left G 1 (dorsal view); C. Left G 1 (ventral view); D. Distal part of left G 1 (dorsal view); E, F. Distal part of left G 1 (mesial views); G. Distal part of left G 1 (ventral view); H, I. Distal part of left G 1 (outer lateral views); J. Left G 2 (dorsal view). All structures denuded. Scale bars: 0.5 mm (A – C, J); 0.2 mm (D – I).	Figure 5. Geosesarma wongi sp. nov., holotype male (12.7 × 11.3 mm) (ZRC 2025.0023), Perak. A. Left third maxilliped; B. Left G 1 (dorsal view); C. Left G 1 (ventral view); D. Distal part of left G 1 (dorsal view); E, F. Distal part of left G 1 (mesial views); G. Distal part of left G 1 (ventral view); H, I. Distal part of left G 1 (outer lateral views); J. Left G 2 (dorsal view). All structures denuded. Scale bars: 0.5 mm (A – C, J); 0.2 mm (D – I).	2026-01-14	Ng, Peter K. L.		Zenodo	biologists	Ng, Peter K. L.			
91E6CB1F1BB55703B18D3EB3037717FC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1510964	https://doi.org/10.3897/zookeys.1266.172575.figure9	Figure 9. Geosesarma cataracta Ng, 1986, holotype male (12.4 × 10.9 mm) (ZRC 1985.1760), Perak. A. Dorsal habitus; B. Dorsal view of carapace; C. Outer view of left chela; D. Dorsal view of left cheliped; E. Dactylus of left chela (dorsal view); F. Propodus and dactylus of right P 2.	Figure 9. Geosesarma cataracta Ng, 1986, holotype male (12.4 × 10.9 mm) (ZRC 1985.1760), Perak. A. Dorsal habitus; B. Dorsal view of carapace; C. Outer view of left chela; D. Dorsal view of left cheliped; E. Dactylus of left chela (dorsal view); F. Propodus and dactylus of right P 2.	2026-01-14	Ng, Peter K. L.		Zenodo	biologists	Ng, Peter K. L.			
91E6CB1F1BB55703B18D3EB3037717FC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1510961	https://doi.org/10.3897/zookeys.1266.172575.figure6	Figure 6. Geosesarma peraccae (Nobili, 1903), lectotype male (11.8 × 9.8 mm) (MRSN Cru 1421 a), Singapore. A. Dorsal habitus; B. Dorsal view of carapace; C. Frontal view of cephalothorax and chelipeds; D. Ventral surface of cephalothorax. Photographs: A, D, C by Giuliano Giacobelli & Marco Bernardi.	Figure 6. Geosesarma peraccae (Nobili, 1903), lectotype male (11.8 × 9.8 mm) (MRSN Cru 1421 a), Singapore. A. Dorsal habitus; B. Dorsal view of carapace; C. Frontal view of cephalothorax and chelipeds; D. Ventral surface of cephalothorax. Photographs: A, D, C by Giuliano Giacobelli & Marco Bernardi.	2026-01-14	Ng, Peter K. L.		Zenodo	biologists	Ng, Peter K. L.			
91E6CB1F1BB55703B18D3EB3037717FC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1510962	https://doi.org/10.3897/zookeys.1266.172575.figure7	Figure 7. Geosesarma peraccae (Nobili, 1903). A – D. Lectotype male (11.8 × 9.8 mm) (MRSN Cru 1421 a), Singapore; E. Paralectotype female (9.1 × 7.9 mm) (MRSN Cru 1421 b), Singapore; F, G. Female (12.6 × 10.7 mm) (ZRC 1990.0518), Singapore; A. Outer view of left chela; B. Dactylus of left chela (subdorsal view); C. Dorsal view of left cheliped; D. Inner view of left chela showing crest; F. Ventral surface of female cephalothorax showing pleon; G. Female sternopleonal cavity showing vulvae. Photograph: (E) by Giuliano Giacobelli & Marco Bernardi.	Figure 7. Geosesarma peraccae (Nobili, 1903). A – D. Lectotype male (11.8 × 9.8 mm) (MRSN Cru 1421 a), Singapore; E. Paralectotype female (9.1 × 7.9 mm) (MRSN Cru 1421 b), Singapore; F, G. Female (12.6 × 10.7 mm) (ZRC 1990.0518), Singapore; A. Outer view of left chela; B. Dactylus of left chela (subdorsal view); C. Dorsal view of left cheliped; D. Inner view of left chela showing crest; F. Ventral surface of female cephalothorax showing pleon; G. Female sternopleonal cavity showing vulvae. Photograph: (E) by Giuliano Giacobelli & Marco Bernardi.	2026-01-14	Ng, Peter K. L.		Zenodo	biologists	Ng, Peter K. L.			
91E6CB1F1BB55703B18D3EB3037717FC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1510963	https://doi.org/10.3897/zookeys.1266.172575.figure8	Figure 8. Geosesarma peraccae (Nobili, 1903), lectotype male (11.8 × 9.8 mm) (MRSN Cru 1421 a), Singapore. A. Male pleon; B. Left G 1 (dorsal view); C. Left G 1 (ventral view); D. Distal part of left G 1 (dorsal view); E. Distal part of left G 1 (ventral view); F. Distal part of left G 1 (mesial view); G. Left G 2 (dorsal view). All structures are denuded. Scale bars: 0.5 mm (A – C, G); 0.2 mm (D – F).	Figure 8. Geosesarma peraccae (Nobili, 1903), lectotype male (11.8 × 9.8 mm) (MRSN Cru 1421 a), Singapore. A. Male pleon; B. Left G 1 (dorsal view); C. Left G 1 (ventral view); D. Distal part of left G 1 (dorsal view); E. Distal part of left G 1 (ventral view); F. Distal part of left G 1 (mesial view); G. Left G 2 (dorsal view). All structures are denuded. Scale bars: 0.5 mm (A – C, G); 0.2 mm (D – F).	2026-01-14	Ng, Peter K. L.		Zenodo	biologists	Ng, Peter K. L.			
91E6CB1F1BB55703B18D3EB3037717FC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1510965	https://doi.org/10.3897/zookeys.1266.172575.figure10	Figure 10. Geosesarma cataracta Ng, 1986. A, B. Holotype male (12.4 × 10.9 mm) (ZRC 1985.1760), Perak; C – E. Paratype female (10.5 × 9.5 mm) (ZRC 1985.1762), Perak; A. Sternopleonal cavity and pleonal somites 5, 6 and telson; B. Pleonal somites 1–6 and telson (telson bent anteriorly); C. Female dorsal habitus; D. Ventral surface of female cephalothorax showing pleon; E. Female sternopleonal cavity showing vulvae.	Figure 10. Geosesarma cataracta Ng, 1986. A, B. Holotype male (12.4 × 10.9 mm) (ZRC 1985.1760), Perak; C – E. Paratype female (10.5 × 9.5 mm) (ZRC 1985.1762), Perak; A. Sternopleonal cavity and pleonal somites 5, 6 and telson; B. Pleonal somites 1–6 and telson (telson bent anteriorly); C. Female dorsal habitus; D. Ventral surface of female cephalothorax showing pleon; E. Female sternopleonal cavity showing vulvae.	2026-01-14	Ng, Peter K. L.		Zenodo	biologists	Ng, Peter K. L.			
91E6CB1F1BB55703B18D3EB3037717FC.taxon	http://purl.org/dc/dcmitype/StillImage	image/png	https://binary.pensoft.net/fig/1510966	https://doi.org/10.3897/zookeys.1266.172575.figure11	Figure 11. A – E. Bresedium sp., female (12.3 × 10.8 mm) (ZRC 1985.1761) [paratype of Geosesarma cataracta Ng, 1986] F. Bresedium laevimanum (Zehntner, 1894), female (12.2 × 10.7 mm) (ZRC 1972.3. 7.30), Kuching, Sarawak, Malaysia, coll. M. W. F. Tweedie, January 1949; A, F. Dorsal habitus; B. Outer view of left chela; C. Dorsal view of left cheliped; D. Ventral surface of cephalothorax showing pleon; E, G. Sternopleonal cavity showing vulvae.	Figure 11. A – E. Bresedium sp., female (12.3 × 10.8 mm) (ZRC 1985.1761) [paratype of Geosesarma cataracta Ng, 1986] F. Bresedium laevimanum (Zehntner, 1894), female (12.2 × 10.7 mm) (ZRC 1972.3. 7.30), Kuching, Sarawak, Malaysia, coll. M. W. F. Tweedie, January 1949; A, F. Dorsal habitus; B. Outer view of left chela; C. Dorsal view of left cheliped; D. Ventral surface of cephalothorax showing pleon; E, G. Sternopleonal cavity showing vulvae.	2026-01-14	Ng, Peter K. L.		Zenodo	biologists	Ng, Peter K. L.			
