Figure 1
Male first gonopod, left side, distal part, of the pseudothelphusid crabs from Roraima. A, Fredius beccarii (Coifmann, 1939Coifmann, I. 1939. Potamonidi dell R. Museo Zoologico di Torino. Archivo Zoologico Italiano, 27: 93-116.), mesio-caudal view, INPA 1895; B, Fredius estevisi (Rodriguez, 1966Rodriguez, G. 1966. Three new species of Pseudothelphusa from Venezuela (Crustacea Brachyura Potamonidae). Zoologische Mededelingen, 41: 259-267.), mesio-caudal view, INPA 839; C, F. estevisi, latero-caudal view, INPA 839; D, Fredius fittkaui (Bott, 1967Bott, R. 1967. Flusskrabben aus Brasilien und benachbarter Gebiete. Potamocarcinus (Kingsleya) Ortmann 1987 (Crustacea, Decapoda). Senckenbergiana biologica, 48: 301-312, figs. 1-3.), mesial view, INPA 1338; E, Fredius platyacanthus Rodriguez and Pereira, 1992, mesial view, INPA 840; F, F. platyacanthus, lateral view, INPA 840; G, Fredius stenolobus Rodriguez and Suárez, 1994, mesio-caudal view, INPA 1252; H, Kingsleya latifrons (Randall, 1840Randall, J.W. 1840. Catalogue of the Crustacea brought by Thomas Nuttall and J. K. Townsend, from the west coast of North America and the Sandwich Islands, with descriptions of such species as are apparently new, among which are included several species of different localities, previously existing in the collection of the Academy. Journal of the Academy of Natural Sciences of Philadelphia, 8: 106-147, pls. 3-7.), mesio-caudal view, INPA 1248.
Figure 3
Distribution of the pseudothelphusid species, Fredius beccarii (Coifmann, 1939) (triangle), F. estevisi (Rodriguez, 1966) (star), and F. platyacanthus Rodriguez and Pereira, 1992 (circle), in the state of Roraima, Brazil.
Figure 4
Distribution of the pseudothelphusid species, Fredius fittkaui (Bott, 1967) (circle), F. stenolobus Rodriguez and Suárez, 1994 (triangle), and Kingsleya latifrons (Randall, 1840) (star), in the state of Roraima, Brazil.
Figure 2
Male first gonopod, right side, of the trichodactylid crabs from Roraima. A, Moreirocarcinus laevifrons (Moreira, 1901), distal part, mesial view, INPA 1493; B. Poppiana dentata (Randall, 1840), distal part, mesial view, INPA 1896; C, Sylviocarcinus pictus (H. Milne Edwards, 1853), distal part, mesial view, INPA 1900; D, Valdivia serrata White, 1847, whole limb, mesio-caudal view, INPA 1505.
Figure 5
Distribution of the trichodactylid species, Moreirocarcinus laevifrons (Moreira, 1901) (star) and Poppiana dentata (Randall, 1840) (circle), in the state of Roraima, Brazil.
Figure 6
Distribution of the trichodactylid species, Sylviocarcinus pictus (H. Milne Edwards, 1853), in the state of Roraima, Brazil.
Figure 7
Distribution of the trichodactylid species, Valdivia serrataWhite 1847White, A. 1847. Short description of some new species of Crustacea in the collection of the British Museum. Proceedings of the Zoological Society of London, 1847: 84-86., in the state of Roraima, Brazil.