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Sampling localities for the present study of Potamonautes in KwaZulu-Natal Province on the east of South Africa. The collection localities of P. danielsi sp. n. are indicated by black dots, while those of P. sidneyi are indicated by white open dots. Sites are indicated by numbers which correspond to localities as follows: (Site 1) Lake Sibaya, (Site 2) Mpophomeni Stream, (Site 3) Hluhluwe, (Site 4) Entumeni, (Site 5) Siyayi, (Site 6) Mhlanga, (Site 7) Oribi Gorge and (Site 8) Mtamvuna. Map modified from
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Histogram of canonical scores for P. danielsi sp. n. and P. sidneyi calculated from a discriminant function analysis, based on six carapace and two right cheliped variables.
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Regression analyses of morphometric measurements of P. danielsi sp. n. and P. sidneyi. Regression analyses of: A LogP2ML over LogP2MW B LogCRPW over LogCRPL; and C LogCWA over LogCL between the two species, P. danielsi sp. n. and P. sidneyi. All differences between regressions were statistically significant (p < 0.001).
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Potamonautes sidneyi (Rathbun, 1904). Male holotype CWW 47 mm (Yale Peabody Museum catalogue number 1191) A dorsal view B ventral view, and C cephalothorax, frontal aspect. Scale bar: 50 mm. Photos: Eric Lazo-Wasem.
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Potamonautes sidneyi (Rathbun, 1904). male holotype CWW 47 mm (Yale Peabody Museum catalogue number 1191) A major cheliped B minor cheliped C right mandibular palp posterior view D right mandibular palp anterior view E 3rd maxilliped F left gonopod 1 anterior view G left gonopod 1 posterior view H left gonopod 2 anterior view, and I left gonopod 2 posterior view. Scale bars: 5 mm (A, B), 5 mm (C, D), 5 mm (E), 10 mm (F, G, H, I). Photos: Eric Lazo-Wasem.
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Morphological comparison of somites 5 and 6 between A P. sidneyi (Rathbun, 1904) and B P. danielsi sp. n.
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Potamonautes danielsi sp. n. male holotype CWW 25.8 mm (
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Potamonautes danielsi sp. n. male holotype CWW 25.8 mm (
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Morphological comparison of carapace features between A P. perlatus and B P. danielsi sp. n.
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Habitat types of P. danielsi sp. n. Various habitat types of P. danielsi sp. n. A and B Mtamvuna Nature Reserve showing the dense canopy cover under which specimens were collected as well as open streams and pools C Oribi Gorge Nature Reserve, and D Umhlanga Nature Reserve. Photos: A, B, C-Lynette Clennell; D-Nasreen Peer.