taxonID	type	description	language	source
1B5E87BCFFF4FFEB79C9F88BA0D1FBAE.taxon	materials_examined	Type Material. Holotype: Cameroon, Mount Nlonako Wildlife Reserve, near Eyimba, adult ♂ (CW 48.0, CL 32.9, CH 18.1, FW 14.3 mm), coll. P. A. Mvogo Ndongo, 14 March 2018 (ZMB Crust. 33351). Paratype: Cameroon, Mount Nlonako Wildlife Reserve, near Eyimba adult ♂ (CW 48.0, CL 33.3, CH 19.2, FW 14.3 mm), coll. P. A. Mvogo Ndongo, 14 March 2018 (CARC- 17).	en	Mvogo Ndongo, Pierre A., Clark, Paul F., Rintelen, Thomas Von, Cumberlidge, Neil (2024): Validation of four species of Sudanonautes (Decapoda: Potamonautidae), from Cameroon, Central Africa. Zootaxa 5492 (1): 140-144, DOI: 10.11646/zootaxa.5492.1.9, URL: http://dx.doi.org/10.11646/zootaxa.5492.1.9
1B5E87BCFFF4FFEB79C9F88BA0D1FBAE.taxon	description	Description. Carapace high (CH / FW 1.31, N = 14), wide (CW / FW 3.30, N = 14). Carapace surface smooth, cervical, urogastric, cardiac, branchial grooves shallow. Exorbital tooth large, clearly distinct, intermediate tooth large and triangular, epibranchial tooth small, granulated. Postfrontal crest distinct yellow in colour, complete, lateral ends curving downwards, meeting carapace lateral margin behind epibranchial tooth, mid-groove on postfrontal crest short, forked. Lateral carapace margin granulated. Carapace branchiostegite with 2 sutures, 1 longitudinal, 1 vertical, dividing sidewall into 3 parts; longitudinal suture dividing suborbital, subhepatic regions from pterygostomial region, beginning at respiratory opening, curving backward across sidewall; short vertical suture dividing suborbital region from subhepatic region; vertical suture beginning at base of intermediate tooth, marked by row of granules, curving sharply down to meet longitudinal suture. Pterygostomial region of carapace sidewall heavily granulated medially, otherwise smooth. S 2 / 3, completely crossing sternum, but shallow; S 3 / 4 incomplete, reduced to one small notch at each side. Mandible, proximal superior margin of palp TA with small, rounded accessory lobe ca. 1 / 4 length of TA. Third maxillipeds filling entire buccal cavern except for transversely oval efferent respiratory openings visible at superior lateral corners; exopod with well-developed slender flagellum; ischium with faint vertical sulcus. Cheliped carpus with 2 pointed teeth, distal tooth larger than proximal; inferior margins of merus each with series of small, granulated teeth, lacking large teeth. Chelipeds of adult male unequal, major cheliped longer, more robust than minor cheliped, cutting edges of fixed (propodus) and moveable (dactylus) fingers without large teeth, minor cheliped lined by row of small, serrated teeth. Walking legs (pereiopods 2 – 5) moderately robust, posterior margins of propodi serrated with small, pointed teeth, dactyli tapering, each bearing rows of downward pointing large sharp spines. Male pleon and telson together broadly triangular with straight edges. Male first gonopod G 1 TA long (0.8 – 0.9 × G 1 SA length), margins lacking setae; in ventral view G 1 TA distal half curving outward, evenly tapering to pointed tip, G 1 SA broad basally, tapering to narrow width distally at G 1 TA-G 1 SA junction. G 2 shorter than G 1, reaching only to G 1 SA-G 1 TA junction. G 2 TA extremely short, only one fifteenth as long as G 2 SA; G 2 SA widest at base, then tapering sharply inward, forming long, thin, pointed, upright process supporting G 2 TA; rounded collar at G 2 SA-G 2 TA junction	en	Mvogo Ndongo, Pierre A., Clark, Paul F., Rintelen, Thomas Von, Cumberlidge, Neil (2024): Validation of four species of Sudanonautes (Decapoda: Potamonautidae), from Cameroon, Central Africa. Zootaxa 5492 (1): 140-144, DOI: 10.11646/zootaxa.5492.1.9, URL: http://dx.doi.org/10.11646/zootaxa.5492.1.9
1B5E87BCFFF4FFEB79C9F88BA0D1FBAE.taxon	etymology	Etymology. The new species is named for Cameroon, in recognition of this country as a key biodiversity area for freshwater crabs.	en	Mvogo Ndongo, Pierre A., Clark, Paul F., Rintelen, Thomas Von, Cumberlidge, Neil (2024): Validation of four species of Sudanonautes (Decapoda: Potamonautidae), from Cameroon, Central Africa. Zootaxa 5492 (1): 140-144, DOI: 10.11646/zootaxa.5492.1.9, URL: http://dx.doi.org/10.11646/zootaxa.5492.1.9
1B5E87BCFFF4FFEB79C9F88BA0D1FBAE.taxon	discussion	Remarks. For detailed figures, photographs, coloration, distribution and more distinguishing characters of S. cameroonensis see Mvogo Ndongo et al. (2024).	en	Mvogo Ndongo, Pierre A., Clark, Paul F., Rintelen, Thomas Von, Cumberlidge, Neil (2024): Validation of four species of Sudanonautes (Decapoda: Potamonautidae), from Cameroon, Central Africa. Zootaxa 5492 (1): 140-144, DOI: 10.11646/zootaxa.5492.1.9, URL: http://dx.doi.org/10.11646/zootaxa.5492.1.9
1B5E87BCFFF5FFE879C9FB47A38BFDB5.taxon	materials_examined	Type Material. Holotype: Cameroon, close to Eyimba, Mount Nlonako, Wildlife Reserve, adult ♂ (CW 37.5, CL 25.2, CH 18.0, FW 10.4 mm), coll. P. A. Mvogo Ndongo, 13 March 2018 (ZMB Crust. 33108). Paratypes: Cameroon, adult ♀ (CW 35.0, CL 25.5, CH 16.3, FW 10.8 mm) (ZMB Crust. 33109), adult ♂ (CW 33.7, CL 23.9, CH 16.9, FW 9.5 mm), subadult ♀ (CW 25.1, CL 20.0, CH 12.2, FW 8.3 mm) (CARC- 08), same details as holotype.	en	Mvogo Ndongo, Pierre A., Clark, Paul F., Rintelen, Thomas Von, Cumberlidge, Neil (2024): Validation of four species of Sudanonautes (Decapoda: Potamonautidae), from Cameroon, Central Africa. Zootaxa 5492 (1): 140-144, DOI: 10.11646/zootaxa.5492.1.9, URL: http://dx.doi.org/10.11646/zootaxa.5492.1.9
1B5E87BCFFF5FFE879C9FB47A38BFDB5.taxon	description	Description. Carapace ovoid, high, arched (CH / FW 1.62, N = 4), wide (CW / FW 3.36, N = 4), smooth. Front deflexed, anterior margin highly concave medially. Carapace surface smooth, cervical, urogastric, cardiac, branchial grooves deep; exorbital tooth blunt, low, intermediate, epibranchial teeth each large, triangular. Postfrontal crest distinct yellow colour, rest of carapace darker; completely traversing carapace, lateral ends curving downwards to meet carapace lateral margins at epibranchial teeth; carapace lateral margins smooth behind epibranchial teeth; mid-groove on postfrontal crest short, forked. Carapace branchiostegite divided into 3 parts by longitudinal, vertical, sutures; longitudinal suture dividing smooth suborbital, subhepatic regions from pterygostomial region, beginning at respiratory opening, curving backward; vertical suture short, granular, dividing suborbital from subhepatic regions beginning at base of intermediate tooth, then curving down to meet longitudinal suture; pterygostomial region with field of large granules medially, otherwise smooth. S 2 / 3, completely traversing sternum; S 3 / 4 incomplete, reduced to 2 short side notches; side margins of S 4 thickened, raised. Mandible, proximal superior margin of palp TA with small accessory lobe about ¼ length of TA. Third maxillipeds filling entire buccal cavern except for transversely oval efferent respiratory openings visible at superior lateral corners; exopod with well-developed slender flagellum; ischium with distinct vertical sulcus. Inferior cheliped merus margins lined by small sharp teeth, inner margin with large distal meral tooth. Cheliped carpus distal, proximal teeth both pointed, distal larger than proximal. Chelipeds of adult male unequal, major cheliped longer than minor cheliped. Major chela movable finger (dactylus) with three teeth, two large (one proximal, one at midpoint) separated by one smaller tooth. Minor cheliped with occluding margins of propodus and dactylus lined by small teeth; Walking legs (pereiopods P 2 – 5) moderately slender, posterior margins of propodi serrated with small blunt teeth, dactyli tapering, each bearing rows of downward-pointing large sharp spines. Male pleon plus telson broadly triangular with straight inward-tapering margins. Male gonopods, in ventral view G 1 TA distal half straight, tip slightly upcurved, slim, not widened in mid-section, G 1 TA medium length, 0.6 × G 1 SA length, margins lined by sparse short setae, distal G 1 SA near G 1 TA-G 1 SA junction widened. G 2 shorter than G 1, reaching only to G 1 TA-G 1 SA junction. G 2 TA extremely short, only one-fifteenth as long as G 2 SA, G 2 SA widest at base, then tapering sharply inward, forming long, thin, pointed, upright process supporting short G 2 TA, rounded collar at G 2 TA-G 2 SA junction.	en	Mvogo Ndongo, Pierre A., Clark, Paul F., Rintelen, Thomas Von, Cumberlidge, Neil (2024): Validation of four species of Sudanonautes (Decapoda: Potamonautidae), from Cameroon, Central Africa. Zootaxa 5492 (1): 140-144, DOI: 10.11646/zootaxa.5492.1.9, URL: http://dx.doi.org/10.11646/zootaxa.5492.1.9
1B5E87BCFFF5FFE879C9FB47A38BFDB5.taxon	etymology	Etymology. The species is named for the small village of Eyimba on the eastern side of Mount Nlonako which is near to the collection locality. The name “ eyimba ” is used as a Latin noun in nominative singular.	en	Mvogo Ndongo, Pierre A., Clark, Paul F., Rintelen, Thomas Von, Cumberlidge, Neil (2024): Validation of four species of Sudanonautes (Decapoda: Potamonautidae), from Cameroon, Central Africa. Zootaxa 5492 (1): 140-144, DOI: 10.11646/zootaxa.5492.1.9, URL: http://dx.doi.org/10.11646/zootaxa.5492.1.9
1B5E87BCFFF5FFE879C9FB47A38BFDB5.taxon	discussion	Remarks. For detailed figures, photographs, coloration, distribution and more distinguishing characters of S. eyimba see Mvogo Ndongo et al. (2024).	en	Mvogo Ndongo, Pierre A., Clark, Paul F., Rintelen, Thomas Von, Cumberlidge, Neil (2024): Validation of four species of Sudanonautes (Decapoda: Potamonautidae), from Cameroon, Central Africa. Zootaxa 5492 (1): 140-144, DOI: 10.11646/zootaxa.5492.1.9, URL: http://dx.doi.org/10.11646/zootaxa.5492.1.9
1B5E87BCFFF6FFE879C9FD3BA0F0F820.taxon	materials_examined	Type Material. Holotype: Cameroon, Guinea savanna, near Lake Tison south of Ngaoundéré, Adamaoua Region, Northern Cameroon, adult ♂ (CW 53.4, CL 34.6, CH 21.1, FW 13.7 mm), coll. P. A. Mvogo Ndongo, 23 October 2022 (ZMB Crust. 33300). Paratype: Guinea savanna, near Lake Mbakaou (fed by the Sanaga River) east of Tibati, Adamaoua Region, Northern Cameroon, adult ♂ (CW 45.9, CL 31.6, CH 24.3, FW 12.1 mm), coll. P. A. Mvogo Ndongo, 23 October 2022 (ZMB Crust. 33301).	en	Mvogo Ndongo, Pierre A., Clark, Paul F., Rintelen, Thomas Von, Cumberlidge, Neil (2024): Validation of four species of Sudanonautes (Decapoda: Potamonautidae), from Cameroon, Central Africa. Zootaxa 5492 (1): 140-144, DOI: 10.11646/zootaxa.5492.1.9, URL: http://dx.doi.org/10.11646/zootaxa.5492.1.9
1B5E87BCFFF6FFE879C9FD3BA0F0F820.taxon	description	Description. Carapace ovoid, high, arched (CH / FW 1.5), wide (CW / FW 3.9), smooth. Front deflexed, anterior margin highly concave medially. Carapace surface smooth, cervical, urogastric, cardiac, branchial grooves all shallow; exorbital tooth large, triangular; intermediate tooth small, pointed; epibranchial tooth obscure. Postfrontal crest distinct yellow colour, incomplete, lateral ends not meeting either epibranchial tooth or carapace lateral margin; carapace lateral margins smooth behind epibranchial teeth; mid-groove on postfrontal crest short, forked. Carapace branchiostegite divided into 3 parts by longitudinal, vertical, sutures; longitudinal suture dividing smooth suborbital, subhepatic regions from pterygostomial region, beginning at respiratory opening, curving backward; vertical suture short, granular, dividing suborbital from subhepatic regions beginning at base of intermediate tooth, then curving down to meet longitudinal suture; pterygostomial region with field of small distinct granules medially, otherwise smooth. S 2 / 3, completely traversing sternum; S 3 / 4 incomplete, reduced to 2 short side notches; anterior thoracic sternum S 3, S 4 margins thickened, raised. Episternal sulcus S 5 / E 5 distinct, S 4 / E 4, S 6 / E 6, S 7 / E 7 all obscure, smooth. Proximal superior margin of palp TA with small, rounded accessory lobe ca. ¼ length of TA. Third maxillipeds filling entire buccal cavern except for transversely oval efferent respiratory openings visible at superior lateral corners; exopod with well-developed slender flagellum; ischium with distinct vertical sulcus. Inferior cheliped merus margins lined by small sharp teeth, inner margin with large distal meral tooth. Cheliped carpus with distal teeth, proximal teeth both pointed, distal larger than proximal. Chelipeds of adult male unequal, major cheliped longer than minor cheliped. Major chela, movable finger (dactylus) with three large proximal teeth, then gap with one large tooth at midpoint and small teeth distally. Minor cheliped with occluding margins of both fingers lined by small teeth. Walking legs (pereiopods P 2 – 5) moderately slender, posterior margins of propodi serrated with small blunt teeth, dactyli tapering, each bearing rows of downward-pointing large sharp spines. Male pleon plus telson broadly triangular with straight inward-tapering margins. Male gonopod G 1 TA in ventral view, proximal half straight with distal half angled outward at 45 degrees, tip not upcurved, G 1 TA mid-section widened; G 1 TA long (G 1 TA length slightly shorter than G 1 SA length, margins lined by sparce short setae. G 2 shorter than G 1, reaching only to G 1 TA-G 1 SA junction; G 2 TA extremely short, only one-fifteenth as long as G 2 SA; G 2 SA widest at base, then tapering sharply inward, forming long, thin, pointed, upright process supporting short G 2 TA; rounded collar at G 2 TA-G 2 SA junction.	en	Mvogo Ndongo, Pierre A., Clark, Paul F., Rintelen, Thomas Von, Cumberlidge, Neil (2024): Validation of four species of Sudanonautes (Decapoda: Potamonautidae), from Cameroon, Central Africa. Zootaxa 5492 (1): 140-144, DOI: 10.11646/zootaxa.5492.1.9, URL: http://dx.doi.org/10.11646/zootaxa.5492.1.9
1B5E87BCFFF6FFE879C9FD3BA0F0F820.taxon	etymology	Etymology. The new species is named for Ngaoundéré, Cameroon because both localities are in the vicinity of this town. The species name “ ngaoundere ” is a noun in apposition.	en	Mvogo Ndongo, Pierre A., Clark, Paul F., Rintelen, Thomas Von, Cumberlidge, Neil (2024): Validation of four species of Sudanonautes (Decapoda: Potamonautidae), from Cameroon, Central Africa. Zootaxa 5492 (1): 140-144, DOI: 10.11646/zootaxa.5492.1.9, URL: http://dx.doi.org/10.11646/zootaxa.5492.1.9
1B5E87BCFFF6FFE879C9FD3BA0F0F820.taxon	discussion	Remarks. For detailed figures, photographs, coloration, distribution and more distinguishing characters of S. ngaoundere see Mvogo Ndongo et al. (2024).	en	Mvogo Ndongo, Pierre A., Clark, Paul F., Rintelen, Thomas Von, Cumberlidge, Neil (2024): Validation of four species of Sudanonautes (Decapoda: Potamonautidae), from Cameroon, Central Africa. Zootaxa 5492 (1): 140-144, DOI: 10.11646/zootaxa.5492.1.9, URL: http://dx.doi.org/10.11646/zootaxa.5492.1.9
1B5E87BCFFF7FFE979C9FF1DA38BFA63.taxon	materials_examined	Type Material. Holotype: Cameroon, Nkam River, draining lowland moist forest, Parc des Princes, Yabassi City, Littoral Region of Cameroon, adult ♂ (CW 41.6, CL 27.9, CH 19.4, FW 10.2 mm), coll. P. A. Mvogo Ndongo, 30 August 2015 (ZMB Crust. 33110). Paratypes: Nkam River, Banya, Yabassi City, Littoral Region, adult ♂ (CW 34.7, CL 24.0, CH 16.8, FW 11.2 mm), 2 adult ♀ (CWs 39.0, 37.7, CLs 27.8, 26.8, CHs 19.5, 19.0, FWs 10.8, 9.8), coll. P. A. Mvogo Ndongo, 02 September 2015 (ZMB Crust. 33111).	en	Mvogo Ndongo, Pierre A., Clark, Paul F., Rintelen, Thomas Von, Cumberlidge, Neil (2024): Validation of four species of Sudanonautes (Decapoda: Potamonautidae), from Cameroon, Central Africa. Zootaxa 5492 (1): 140-144, DOI: 10.11646/zootaxa.5492.1.9, URL: http://dx.doi.org/10.11646/zootaxa.5492.1.9
1B5E87BCFFF7FFE979C9FF1DA38BFA63.taxon	description	Description. Carapace ovoid, high, arched (CH / FW 1.63, N = 8), wide (CW / FW 3.81, N = 8), smooth. Front deflexed, anterior margin highly concave medially. Carapace surface smooth, cervical, urogastric, cardiac, branchial grooves distinct. Exorbital tooth small, low, distinct; intermediate tooth small, triangular; epibranchial tooth small. Postfrontal crest distinct yellow colour, complete, lateral ends curving backward, not meeting either epibranchial tooth or carapace lateral margin; mid-groove on postfrontal crest short, forked. Carapace branchiostegite divided into 3 parts by longitudinal, vertical, sutures; longitudinal suture dividing smooth suborbital, subhepatic regions from pterygostomial region, beginning at respiratory opening, curving backward; vertical suture short, granular, dividing suborbital from subhepatic regions beginning at base of intermediate tooth, then curving sharply down to meet longitudinal suture; pterygostomial region with field of large granules medially, otherwise smooth. S 2 / 3, completely traversing sternum, deep; S 3 / 4 incomplete, reduced to 2 short side notches. Proximal superior margin of palp TA with large rounded accessory lobe ca. ½ length of TA. Third maxillipeds filling entire buccal cavern except for transversely oval efferent respiratory openings visible at superior lateral corners; exopod with well-developed slender flagellum; ischium with distinct vertical sulcus. Chelipeds of adult male unequal, right (major) cheliped longer than left cheliped. Fingers slim, elongated; movable finger (dactylus) of major chela straight, with three large teeth, two proximally, one at mid-point; fixed finger with three large teeth proximally. Minor cheliped with occluding margins of both fingers lined by small teeth; cheliped carpus distal, proximal teeth both pointed, distal larger than proximal. Inferior cheliped merus margins lined by small sharp teeth, inner margin with large distal meral tooth. Walking legs (pereiopods P 2 – 5) moderately slender, posterior margins of propodi serrated with small blunt teeth, dactyli tapering, each bearing rows of downward-pointing large sharp spines. Male pleon plus telson broadly triangular with straight inward-tapering margins. G 1 TA proximal two-thirds straight, distal third bent outward, distinctly widened in mid-section by raised dorsal lobe; G 1 TA long (G 1 TA length slightly shorter than G 1 SA length; margins lined by long, dense setae. G 2 shorter than G 1, reaching only to G 1 TA-G 1 SA junction. G 2 TA extremely short, only one-fifteenth as long as G 2 SA, G 2 SA widest at base, then tapering sharply inward, forming long, thin, pointed, upright process supporting short G 2 TA, with rounded collar at G 2 TA-G 2 SA junction.	en	Mvogo Ndongo, Pierre A., Clark, Paul F., Rintelen, Thomas Von, Cumberlidge, Neil (2024): Validation of four species of Sudanonautes (Decapoda: Potamonautidae), from Cameroon, Central Africa. Zootaxa 5492 (1): 140-144, DOI: 10.11646/zootaxa.5492.1.9, URL: http://dx.doi.org/10.11646/zootaxa.5492.1.9
1B5E87BCFFF7FFE979C9FF1DA38BFA63.taxon	etymology	Etymology. The species name refers to the Nkam River near Yabassi in Southwest Cameroon where it was collected. The name “ nkam ” is used as a Latin noun in nominative singular.	en	Mvogo Ndongo, Pierre A., Clark, Paul F., Rintelen, Thomas Von, Cumberlidge, Neil (2024): Validation of four species of Sudanonautes (Decapoda: Potamonautidae), from Cameroon, Central Africa. Zootaxa 5492 (1): 140-144, DOI: 10.11646/zootaxa.5492.1.9, URL: http://dx.doi.org/10.11646/zootaxa.5492.1.9
1B5E87BCFFF7FFE979C9FF1DA38BFA63.taxon	discussion	Remarks. For detailed figures, photographs, coloration, distribution and more distinguishing characters of S. nkam see Mvogo Ndongo et al. (2024).	en	Mvogo Ndongo, Pierre A., Clark, Paul F., Rintelen, Thomas Von, Cumberlidge, Neil (2024): Validation of four species of Sudanonautes (Decapoda: Potamonautidae), from Cameroon, Central Africa. Zootaxa 5492 (1): 140-144, DOI: 10.11646/zootaxa.5492.1.9, URL: http://dx.doi.org/10.11646/zootaxa.5492.1.9
