Malacostraca - Eucarida
BRACHYURA
PSEUDOTHELPHUSIDAE and TRICHODACTYLIDAE
CELIO MAGALHÃES
Coordenação de Pesquisas em Biologia Aquática
Instituto Nacional de Pesquisas da Amazônia/INPA
Family Pseudothelphusidae Ortmann, 1893
Genus Brasiliothelphusa Magalhães & Türkay, 1986
Brasiliothelphusa tapajoensis Magalhães & Türkay, 1986
Synonymy: Magalhães, 1986: 613.
Description and diagnosis: Magalhães & Türkay, 1986: 372; Magalhães, 1986: 613.
References: Magalhães & Türkay, 1986: 372, figs 1-2; Magalhães, 1986: 613, figs 1-3, 24-25.
Geographic distribution: Brazil (PA).
Genus Fredius Pretzmann, 1967
Fredius denticulatus (H. Milne-Edwards, 1853)
Synonymy: Rodríguez, 1982: 186.
Description and diagnosis: Rodríguez, 1982: 186; Magalhães, 1986: 619.
References: Rathbun, 1905: 305, text-fig. 96; Bott, 1969: 55, pl. 15, fig. 28a-b, pl. 22, fig. 60; Rodríguez, 1982: 186, fig. 130a-d; Magalhães, 1986: 619, figs 14-15, 32-33.
Geographic distribution: Guyana, Suriname, French Guiana, and Brazil (AP, PA, AM).
Comments: Known to occur in ‘terra-firme’ forest streams and their surroundings (humid areas in the floor of the forest).
Fredius reflexifrons (Ortmann, 1897)
Synonymy: Rodríguez, 1982: 183.
Description and diagnosis: Rodríguez, 1982: 183; Magalhães, 1986: 620.
References: Bott, 1969: 53, pl. 14, fig. 26a-b, pl. 22, fig. 58a-b; Rodríguez, 1982: 183, fig. 128a-d; Magalhães, 1986: 620, figs 16-19, 34-35.
Geographic distribution: Guyana, Suriname, French Guiana, Peru, and Brazil (PA, AM, RO, MT).
Genus Kingsleya Ortmann, 1897
Kingsleya besti Magalhães, 1990
Description and diagnosis: Magalhães, 1990: 276.
References: Magalhães, 1990: 276, figs 1-3.
Geographic distribution: Brazil (AM).
Kingsleya latifrons (Randall, 1840)
Synonymy: Rodríguez, 1982: 171.
Description and diagnosis: Rodríguez, 1982: 171; Magalhães, 1986: 615.
References: Bott, 1969: 56, pl. 16, fig. 29a-b, pl. 23, fig. 61a-b; Rodríguez, 1982: 171, fig. 120a-c; Magalhães, 1986: 615, figs. 6-10, 28-29.
Geographic distribution: Guyana, Suriname, French Guiana, and Brazil (RR, PA, AM).
Comments: Occurring in highplain rivers, usually among rocks along rapids and falls.
Kingsleya siolii Bott, 1967
Synonymy: Rodríguez, 1982: 170
Description and diagnosis: Rodríguez, 1982: 170; Magalhães, 1986: 614.
References: Bott, 1969: 57, pl. 17, fig. 31a-b, pl. 23, fig. 63a-b; Rodríguez, 1982: 170, fig. 119a-b; Magalhães, 1986: 614, figs. 4-5, 26-27.
Geographic distribution: Suriname and Brazil (PA).
Kingsleya ytupora Magalhães, 1986
Description and diagnosis: Magalhães, 1986: 617.
References: Magalhães, 1986: 617, figs. 11-13, 30-31.
Geographic distribution: Brazil (PA, AM).
Comments: Habitat similar to that of K. latifrons.
Genus Microthelphusa Pretzmann, 1968
Microthelphusa somanni (Bott, 1967)
Synonymy: Magalhães, 1986: 623.
Description and diagnosis: Rodríguez, 1982: 161; Magalhães, 1986: 623.
References: Rodríguez, 1982: 161, fig. 111a-d; Magalhães, 1986: 623, figs. 22, 38-39.
Geographic distribution: Brazil (AM).
Genus Prionothelphusa Rodríguez, 1980
Prionothelphusa eliasi Rodríguez, 1980
Synonymy: Rodríguez, 1982: 178.
Description and diagnosis: Rodríguez, 1982: 178; Magalhães, 1986: 622.
References: Rodríguez, 1982: 178, fig. 125a-d; Magalhães, 1986: 622, figs. 20-21, 36-37.
Geographic distribution: Venezuela and Brazil (AM).
Family Trichodactylidae H. Milne-Edwards, 1853
Genus Dilocarcinus H. Milne-Edwards, 1853
Dilocarcinus pagei Stimpson, 1861
Synonymy: Rodríguez, 1992: 125.
Description and diagnosis: Rodríguez, 1992: 125.
References: Rathbun, 1906: 58, text-fig. 119a-b (as Trichodactylus (Dilocarcinus) orbicularis); Bott, 1969: 47, pl. 9, fig. 16a-b, pl. 20, fig. 47; Rodríguez, 1992: 125, figs 1B, 4AA, 8I, 13J, 14D, 44D-G; Magalhães & Türkay, 1996a: 78.
Geographic distribution: Brazil (AM, PA, MT), Peru, Bolivia, Paraguay, and Argentina.
Comments: Typical of floodplain areas, usually associated with floating meadows.
Dilocarcinus septemdentatus (Herbst, 1783)
Synonymy: Rodríguez, 1992: 128.
Description and diagnosis: Rathbun, 1906: 60 (as Trichodactylus (Dilocarcinus) spinifer); Bott, 1969: 44.
References: Rathbun, 1906: 60, text-fig. 121 (as Trichodactylus (Dilocarcinus) spinifer); Bott, 1969: 44, pl. 8, fig. 14a-b, pl. 20, fig. 45; Magalhães & Türkay, 1996a: 78.
Geographic distribution: Brazil (AM, PA, GO).
Genus Fredilocarcinus Pretzmann, 1978
Fredilocarcinus apyratii Magalhães & Türkay, 1996
Description and diagnosis: Magalhães & Türkay, 1996b: 132.
References: Magalhães & Türkay, 1996a: 79; 1996b: 132, figs. 1-2, 7.
Geographic distribution: Brazil (AC).
Genus Goyazana Bott, 1969
Goyazana castelnaui (H. Milne-Edwards, 1853)
Synonymy: Magalhães & Türkay, 1996b: 135.
Description and diagnosis: Rodríguez, 1992: 115; Magalhães & Türkay, 1996b: 135.
References: Rathbun, 1906: 61; Bott, 1969: 48, pl. 10, fig. 18a-b, pl. 20, fig. 49; Rodríguez, 1992: 115, fig. 41A-J; Magalhães & Türkay, 1996a: 82; 1996b: 135, figs. 7-9.
Geographic distribution: Brazil (PA, MA, TO, PE, SE, BA, GO, MS, SP).
Goyazana rotundicauda Magalhães & Türkay, 1996
Description and diagnosis: Magalhães & Türkay, 1996b: 139.
References: Magalhães & Türkay, 1996a: 82; 1996b: 139, figs. 10-11.
Geographic distribution: Brazil (AM).
Genus Moreirocarcinus Magalhães & Türkay, 1996
Moreirocarcinus laevifrons (Moreira, 1901)
Synonymy: Rodríguez, 1992: 121.
Description and diagnosis: Moreira, 1901: 48; Bott, 1969: 51.
References: Moreira, 1901: 48, pl. 48, figs. 1-4; Bott, 1969: 51, pl. 11, fig. 20a-b, pl. 21, fig. 51; Magalhães & Türkay, 1996a: 82.
Geographic distribution: Brazil (AM, ?PE).
Genus Rotundovaldivia Pretzmann, 1968
Rotundovaldivia latidens (A. Milne-Edwards, 1869)
Synonymy: Rodríguez, 1992: 93.
Description and diagnosis: A. Milne-Edwards, 1869: 175; Bott, 1969: 41.
References: Rathbun, 1906: 56, text-fig. 118 (as Trichodactylus (Valdivia) bourgeti); Bott, 1969: 41; Rodríguez, 1992: 93; Magalhães & Türkay, 1996a: 88.
Geographic distribution: Peru and Brazil (AM).
Genus Sylviocarcinus H. Milne-Edwards, 1853
Sylviocarcinus australis Magalhães & Türkay, 1996
Synonymy: Magalhães & Türkay, 1996c: 113.
Description and diagnosis: Magalhães & Türkay, 1996c: 113.
References: Moreira, 1912: 150 (as Trichodactylus (Dilocarcinus) pictus); Magalhães & Türkay, 1996a: 90; 1996c: 113, figs. 36-38.
Geographic distribution: Brazil (RO, MT, MS), Paraguay, and Argentina.
Sylviocarcinus devillei H. Milne-Edwards, 1853
Synonymy: Magalhães & Türkay, 1996c: 101.
Description and diagnosis: Rodríguez, 1992: 71; Magalhães & Türkay, 1996c: 101.
References: Moreira, 1901: 47, pl. 4, figs 5-7; Rathbun, 1906: 51; Bott, 1969: 28, pl. 3, fig. 5a-c, pl. 24, figs 65-67; Rodríguez, 1992: 71, figs. H, 5C, 7F, 9B, 13A, 25A-F; Magalhães & Türkay, 1996a: 90; 1996c: 101, figs. 9-26.
Geographic distribution: Colombia, Ecuador, Peru, and Brazil (AP, AM, PA, MT, AC, GO).
Sylviocarcinus maldonadoensis (Pretzmann, 1978)
Synonymy: Magalhães & Türkay, 1996c: 109.
Description and diagnosis: Rodríguez, 1992: 74; Magalhães & Türkay, 1996c: 109.v
References: Magalhães & Türkay, 1996a: 90; 1996c: 109, figs. 27-32, 49.
Geographic distribution: Peru and Brazil (AM, PA).
Sylviocarcinus pictus (H. Milne-Edwards, 1853)
Synonymy: Magalhães & Türkay, 1996c: 117.
Description and diagnosis: Rodríguez, 1992: 78: Magalhães & Türkay, 1996c: 117.
References: Rathbun, 1906: 62; Bott, 1969: 31, pl. 12, fig. 22a-b, pl. 21, fig. 53; Rodríguez, 1992: 76, figs 4J, 5D, 7E, 9F, 13C, 27A-H; Magalhães & Türkay, 1996a: 90; 1996c: 117, figs. 38-48.
Geographic distribution: Peru, Bolivia, Guyana, French Guiana, and Brazil (AP, RR, AM, PA, MA, PI, RO).
Genus Trichodactylus Latreille, 1828
Trichodactylus borellianus Nobili, 1896
Synonymy: Rodríguez, 1992: 56.
Description and diagnosis: Rodríguez, 1992: 56.
References: Bott, 1969: 23, pl. 5, fig. 8a-b, pl. 18, fig. 39; Rodríguez, 1992: 56, figs. 2B, 3E, 4E, 6E, 11B, 12C, 21A-H; Magalhães & Türkay, 1996a: 75.
Geographic distribution: Brazil (PA, AM), Paraguay, and Argentina.
Trichodactylus crassus A. Milne-Edwards, 1869
Synonymy: Bott, 1969: 17.
Description and diagnosis: A. Milne-Edwards, 1869: 172; Rathbun, 1906: 41.
References: A. Milne-Edwards, 1869: 172; Rathbun, 1906: 41, text-fig. 108; Bott, 1969: 17, pl. 18, fig. 34; Magalhães & Türkay, 1996a: 75.
Geographic distribution: Brazil (BA).
Trichodactylus dentatus H. Milne-Edwards, 1853
Synonymy: Bott, 1969: 18.
Description and diagnosis: Rathbun, 1906: 40 (as Trichodactylus (Trichodactylus) edwardsi); Bott, 1969: 18.
References: Rathbun, 1906: 40, text-fig. 107 (as Trichodactylus (Trichodactylus) edwardsi); Luederwaldt, 1919: 433; Bott, 1969: 18, pl. 24, fig. 64; Magalhães & Türkay, 1996a: 75.
Geographic distribution: Brazil (RJ, SP).
Trichodactylus ehrhardti Bott, 1969
Synonymy: Rodríguez, 1992: 55.
Description and diagnosis: Bott, 1969: 22.
References: Bott, 1969: 22, pl. 4, fig. 7a-b, pl. 18, fig. 38; Magalhães & Türkay, 1996a: 75.
Geographic distribution: Brazil (AM).
Trichodactylus faxoni Rathbun, 1905
Synonymy: Bott, 1969: 23.
Description and diagnosis: Rathbun, 1906: 49.
References: Rathbun, 1906: 49, text-fig. 113; Magalhães & Türkay, 1996a: 75.
Geographic distribution: Brazil (AM).
Trichodactylus fluviatilis Latreille, 1828
Synonymy: Rodríguez, 1992: 43.
Description and diagnosis: Rathbun, 1906: 35; Rodríguez, 1992; 43.
References: Rathbun, 1906: 35, text-fig. 106; Luederwaldt, 1919: 434; Bott, 1969: 15, pl. 1, fig. 1a-b, pl. 18, fig. 33; Rodríguez, 1992: 43, figs. 1D-E, 3A, 4A, 5K, 6A, 10D, 12A, 15B, 17A-K; Magalhães & Türkay, 1996a: 75.
Geographic distribution: Brazil (BA, MG, RJ, SP, SC, RS).
Trichodactylus panoplus (von Martens, 1869)
Synonymy: Rodríguez, 1992: 59
Description and diagnosis: García, 1973: 97; Rodríguez, 1992: 59.
References: Rathbun, 1906: 52, text-fig. 114; Luederwaldt, 1919: 434; Bott, 1969: 21, pl. 4, fig. 6a-b, pl. 18, fig. 37; Rodríguez, 1992: 59, figs. 3F, 4F, 10H, 22A-L; Magalhães & Türkay, 1996a: 75.
Geographic distribution: Brazil (? RJ, SP, RS), Uruguay, and Argentina.
Trichodactylus parvus Moreira, 1912
Synonymy: Bott, 1969: 24.
Description and diagnosis: Moreira, 1912: 151.
References: Moreira, 1912: 151, pl. 6, figs. 12-12, text-fig. 3a-b; Magalhães & Türkay, 1996a: 75.
Geographic distribution: Brazil (MT).V
Trichodactylus petropolitanus (Göldi, 1886)
Synonymy: Rodríguez, 1992: 50.
Description and diagnosis: Rathbun, 1906: 46 (as Trichodactylus (Valdivia) tifucanus); Rodríguez, 1992; 50.
References: Rathbun, 1906: 46, text-fig. 110 (as Trichodactylus (Valdivia) tifucanus); Luederwaldt, 1919: 434; Bott, 1969: 19, pl. 2, fig. 3a-b, pl. 18, fig. 36; Rodríguez, 1992: 50, figs. 4C, 6B, 10E, 12B, 15A, 19A-I; Magalhães & Türkay, 1996a: 75.
Geographic distribution: Brazil (RJ, SP, PR, SC) and Argentina.
Genus Valdivia White, 1847
Valdivia haraldi Bott, 1969
Description and diagnosis: Bott, 1969: 40.
References: Bott, 1969: 40, pl. 7, fig. 12a-b; pl. 19, fig. 42; Magalhães & Türkay, 1996a: 91.
Geographic distribution: Brazil (AM).
Valdivia novemdentata (Pretzmann, 1968)
Description and diagnosis: Pretzmann, 1968a: 5.
References: Pretzmann, 1968a: 5; Magalhães & Türkay, 1996a: 91.
Geographic distribution: Brazil (AM) .
Valdivia serrata serrata White, 1847
Synonymy: Rodríguez, 1992: 94.
v
References: Rathbun, 1906: 47, text-fig. 111; Bott, 1969: 39, pl. 6, fig. 11a-b, pl. 19, fig. 41, text-fig. 1; Rodríguez, 1992: figs. 1F, 3H, 4R, 5E, 8C, 10B, 13F, 15F, 33A-L; Magalhães & Türkay, 1996a: 91.
Geographic distribution: Venezuela, Colombia, Guyana, Suriname, Brazil (PA, AM) and Peru.
Valdivia serrata harttii Rathbun, 1905
Synonymy: Rodríguez, 1992: 91.
Description and diagnosis: Rathbun, 1906: 55; Rodríguez, 1992: 91.
References: Rathbun, 1906: 55, text-fig. 117; Bott, 1969: 42; Rodríguez, 1992: 91, figs. 4Q, 5H, 8E, 13E, 32A-J; Magalhães & Türkay, 1996a: 91.
Geographic distribution: Venezuela and Brazil (AM).
Genus Zilchiopsis Bott, 1969
Zilchiopsis oronensis (Pretzmann, 1968)
Synonymy: Magalhães & Türkay, 1996c: 126.
Description and diagnosis: Pretzmann, 1968b: 72; Magalhães & Türkay, 1996c: 126.
References: Magalhães & Türkay, 1996a: 91; 1996c: 126, figs. 49, 56-57.
Geographic distribution: Brazil (AM, MT, RO), Bolivia, and Paraguay.
References
Bott, R. 1969. Die Süsswasserkrabben Süd-Amerikas und ihre Stammesgeschichte. Eine Revision der Trichodactylidae und der Pseudothelphusidae östlich der Anden (Crustacea, Decapoda). Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft 518: 1-94, 24 pls.
García, J.E. 1973. Trichodactylus (Trichodactylus) panoplus (Martens, 1869) (Decapoda, Brachyura) nueva especie para la fauna carcinologica uruguaya: 97-103. In: Trabajos, 5 Congresso Latino Americano de Zoologia 1971, 1, Museo Nacional de Historia Natural, Montevideo.
Luederwaldt, H. 1919. Lista dos crustaceos superiores (Thoracostraca) do Museu Paulista que foram encontrados no Estado de São Paulo. Revista do Museu Paulista 11: 427-435.
Magalhães, C. 1986. Revisão taxonômica dos caranguejos de água doce brasileiros da família Pseudothelphusidae (Crustacea, Decapoda). Amazoniana 8: 609-636.
Magalhães, C. 1990. A new species of the genus Kingsleya from Amazonia, with a modified key for the Brazilian Pseudothelphusidae. Zoologische Mededelingen 63 (21): 275-281.
Magalhães, C. & Türkay, M. 1986. Brasiliothelphusa, a new Brazilian freshwater-crab genus (Crustacea: Decapoda: Pseudothelphusidae). Senckenbergiana biologica 66: 371-376.
Magalhães, C. & Türkay, M. 1996a. Taxonomy of the Neotropical freshwater crab family Trichodactylidae. I. The generic system with description of some new genera (Crustacea: Decapoda; Brachyura). Senckenbergiana biologica 75(1/2): 63-95.
Magalhães, C. & Türkay, M. 1996b. Taxonomy of the Neotropical freshwater crab family Trichodactylidae. III. The genera Fredilocarcinus and Goyazana (Crustacea: Decapoda: Brachyura). Senckenbergiana biologica 75(1/2): 131-142.
Magalhães, C. & Türkay, M. 1996c. Taxonomy of the neotropical freshwater crab family Trichodactylidae. II. The genera Forsteria, Melocarcinus, Sylviocarcinus, and Zilchiopsis. (Crustacea: Decapoda: Brachyura). Senckenbergiana biologica 75(1/2): 97-130.
Milne-Edwards, A. 1869. Révision des genres Trichodactylus, Sylviocarcinus et Dilocarcinus et description de qualques espèces nouvelles qui s'y rattachent. Annales de la Société Entomologique de France 9(4): 170-178.
Moreira, C. 1901. Contribuições para o conhecimento da fauna brazileira. Crustaceos do Brazil. Archivos do Museu Nacional 11: 1-152, pls. 1-5.
Moreira, C. 1912. Crustacés du Brésil. Memoires de la Société Zoologique de France 25: 145-154, pls. 3-6.
Pretzmann, G. 1968a. Weitere neue südamerikanische Süsswasserkrabben (Vorläufige Mitteilung). Entomologisches Nachrichten 15(2): 1-6.
Pretzmann, G. 1968b. Die Familie Trichodactylidae (Milne-Edwards 1853) Smith 1870 (Vorläufige Mitteilung). Entomologisches Nachrichtenblatt 15(7-8): 70-76.
Rathbun, M.J. 1906. Les crabes d'eau douce (Potamonidae Nouvelles Archives du Muséum d`Histoire Naturelle 8(4): 33-122, pls. 15-19.
Rodríguez, G. 1982. Les crabes d'eau douce d'Amerique. Famille des Pseudothelphusidae. Faune tropicale XXII, ORSTOM, Paris. 224 pp.
Rodríguez, G. 1992. The freshwater crabs of America. Family Trichodactylidae and supplement to the family Pseudothelphusidae. Faune tropicale XXXI, ORSTOM, Paris. 189 pp.
Stimpson, W.M. 1861. Notes on certain decapod Crustacea. Proceedings of the Academy of natural Sciences of Philadelphia 13: 372-375.
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