identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
0C79FE9B183B574AB7C67E78F7235078.text	0C79FE9B183B574AB7C67E78F7235078.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Avotrichodactylus Pretzmann 1978	<div><p>Genus Avotrichodactylus Pretzmann, 1978 a</p><p>Trichodactylus (Trichodactylus) — Coifmann 1939: 111 [part].</p><p>Trichodactylus (Avotrichodactylus) Pretzmann, 1968: 71.</p><p>Trichodactylus (Rodriguezia) — Bott 1969: 25 [part].</p><p>Avotrichodactylus — Pretzmann 1978 a: 54. — Pretzmann 1980: 661. — Rodríguez 1992: 63. — Villalobos-Hiriart et al. 1993: 284. — Álvarez et al. 1996: 129. — Magalhães and Türkay 1996 a: 67 (in list), 71 (in key), 72. — Sternberg 1997: 57, 58 (text, in fig.). — Álvarez and Villalobos 1997: 416. — Álvarez et al. 2005: 191. — Suárez 2005: 155. — Ng et al. 2008: 188 (in list). — De Grave et al. 2009: 42. — Álvarez et al. 2011: 275. — Magalhães and Türkay 2012: 28. — Rogers et al. 2020: 942 (in key).</p><p>Trichodactylus — Guinot 1988: 19 [part]. — Morrone and Lopretto 1996: 71 [part].</p><p>Type species.</p><p>Trichodactylus constrictus Pearse, 1911, by monotypy.</p><p>Diagnosis.</p><p>Carapace: anterolateral margin with up 2–3 teeth of variable development (vestigial, small or well-developed teeth). Efferent branchial channel: aperture with yugal lateral lobe absent. Pleon: pleonal somites III – V fused. Telson (male): campaniform; anterior margin slightly shorter than posterior margin of pleonal somite VI. G 1: simple, strongly or slightly bent; distal half subcylindrical, distinctly tapering, without lobes on lateral and / or mesial surfaces; distal opening narrow, subcircular, situated terminally. G 2: shorter than G 1, apex tapering. Small-sized species (up to 30 mm CW).</p><p>Distribution.</p><p>Atlantic drainage in southern Mexico.</p><p>Composition.</p><p>Avotrichodactylus constrictus (Pearse, 1911); Avotrichodactylus bidens (Bott, 1969); Avotrichodactylus oaxensis Rodríguez, 1992 .</p></div>	https://treatment.plazi.org/id/0C79FE9B183B574AB7C67E78F7235078	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Souza-Carvalho, Edvanda A.;Magalhães, Célio;Carvalho, Fabrício L.;Mantelatto, Fernando L.	Souza-Carvalho, Edvanda A., Magalhães, Célio, Carvalho, Fabrício L., Mantelatto, Fernando L. (2025): Systematics of Neotropical freshwater crabs Trichodactylinae based on multi-genes and morphological data: new tribe and new combinations. Arthropod Systematics & Phylogeny 83: 315-329, DOI: 10.3897/asp.83.e153079
D5C5901E3EB05476AA082007F8ADFAF3.text	D5C5901E3EB05476AA082007F8ADFAF3.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Trichodactylini Pretzmann 1978	<div><p>Tribe Trichodactylini Pretzmann, 1978 b</p><p>Trichodactylini Pretzmann, 1978 b: 169 . — Pretzmann, 1983 b: 318.</p><p>Type genus.</p><p>Trichodactylus Latreille, 1828, designated by Pretzmann (1978 b).</p><p>Diagnosis.</p><p>Carapace: lateral margin devoid of teeth or with vestigial, reduced or developed teeth (usually up to 3 on anterolateral margin; posterolateral margin rarely with 1–2 vestigial teeth); lower orbital margin: inner corner with blunt projection sometimes absent. Efferent branchial channel: aperture with yugal lateral lobe absent. Third maxilliped, meri: distal external spine triangular, acute. Axial skeleton, interosternites: ie 4 / ie 5, ie 5 / ie 6, ie 6 / ie 7 extended mesially, reaching sternum midline as conspicuously elevated phragma; ie 7 / ie 8 interrupted mesially, not extended to sternum midline (see Magalhães and Türkay, 1996 a: fig. 7; Pedraza et al., 2015: figs. 3 A, 5 A); ie 7 / ie 8 separated from junction plate mesially (see Pedraza et al., 2015: figs. 4 A, 6 A). Pleon: pleonal somites free. Telson (male): subtriangular; anterior margin as broad as posterior margin of pleonal somite VI. G 1: simple, straight; positioned longitudinally in sternopleonal cavity; distal half subcylindrical, with lateral and mesial surfaces straight or slightly convex; distal opening wide, V-shaped, directed ventrally, apex usually regularly convex or slightly angled. G 2: longer than G 1. Large-sized species (up to 50 mm CW).</p></div>	https://treatment.plazi.org/id/D5C5901E3EB05476AA082007F8ADFAF3	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Souza-Carvalho, Edvanda A.;Magalhães, Célio;Carvalho, Fabrício L.;Mantelatto, Fernando L.	Souza-Carvalho, Edvanda A., Magalhães, Célio, Carvalho, Fabrício L., Mantelatto, Fernando L. (2025): Systematics of Neotropical freshwater crabs Trichodactylinae based on multi-genes and morphological data: new tribe and new combinations. Arthropod Systematics & Phylogeny 83: 315-329, DOI: 10.3897/asp.83.e153079
CFCF85D28F0D50D7B40AE11C0050084A.text	CFCF85D28F0D50D7B40AE11C0050084A.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Mikrotrichodactylini Souza-Carvalho & Magalhães & Carvalho & Mantelatto 2025	<div><p>Tribe Mikrotrichodactylini trib. nov.</p><p>Type genus.</p><p>Mikrotrichodactylus Pretzmann, 1968, by present designation.</p><p>Diagnosis.</p><p>Carapace: lateral margin devoid of teeth or usually with up to 5 vestigial, small or developed teeth (some species with 1–2 vestigial or developed teeth on posterolateral margin); lower orbital margin: inner corner with distinct sharp or blunt projection. Third maxilliped, meri: distal external spine reduced. Axial skeleton, interosternites: ie 4 / ie 5, ie 5 / ie 6, ie 6 / ie 7 extended mesially, reaching sternum midline as inconspicuous phragma, being ie 6 / ie 7 noticeable low (vestigial in A. constrictus); ie 7 / ie 8 fused to junction plate mesially (see Pedraza et al., 2015: figs. 4 B, 6 B). Pleon: pleonal somites free (except in Avotrichodactylus, with pleonal somites III – V fused). Telson (male): subtriangular or campaniform; anterior margin as broad as or slightly shorter than posterior margin of pleonal somite VI. G 1: simple, straight or more or less bent (in Avotrichodactylus); positioned more or less diagonally in sternopleonal cavity; distal half subcylindrical, with or without distinct lobes on lateral and / or mesial surfaces, or tapering (in Avotrichodactylus); distal opening wide, its apex symmetrical, regularly convex, asymmetrical, with mesodorsally directed projection, or very narrow (in Avotrichodactylus). G 2: longer or shorter (in Avotrichodactylus and Rodriguezia) than G 1. Small-sized species (up to 30 mm CW).</p></div>	https://treatment.plazi.org/id/CFCF85D28F0D50D7B40AE11C0050084A	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Souza-Carvalho, Edvanda A.;Magalhães, Célio;Carvalho, Fabrício L.;Mantelatto, Fernando L.	Souza-Carvalho, Edvanda A., Magalhães, Célio, Carvalho, Fabrício L., Mantelatto, Fernando L. (2025): Systematics of Neotropical freshwater crabs Trichodactylinae based on multi-genes and morphological data: new tribe and new combinations. Arthropod Systematics & Phylogeny 83: 315-329, DOI: 10.3897/asp.83.e153079
AC2455883A5A59B39E94C7516E892990.text	AC2455883A5A59B39E94C7516E892990.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Mikrotrichodactylus Pretzmann 1968	<div><p>Genus Mikrotrichodactylus Pretzmann, 1968</p><p>Dilocarcinus — Ortmann 1893: 491 [part].</p><p>Trichodactylus — Nobili 1896: 2. — Ortmann 1902: 310 [part]. — Colosi 1920: 10, 11 (in key) [part]. — Lopretto 1976: 68 (in list) [part]. — Pretzmann 1978 b: 165. — Holthuis 1986: 614 (in list) [part]. — Bisbal 1987: 121. — Rodríguez 1992: 42 [part]. — Morrone and Lopretto 1996: 71 [part]. — Magalhães and Türkay 1996 a: 67 (in list), 71 (in key), 73 [part]. — Sternberg 1997: 55 (in tab.), 57, 58 (in fig.). — Magalhães 1998: 520 [part]. — Magalhães 2003: 199 (in key), 246 [part.]. — Campos 2005: 13, 24 [part]. — Ng et al. 2008: 188 [part]. — De Grave et al. 2009: 42 (in list) [part]. — Campos 2014: 251 [part]. — César and Damborenea 2015: 4 [part]. — Rogers et al. 2020: 942 (in key) [part].</p><p>Trichodactylus (Valdivia) — Rathbun 1906 a: 43 [part]. — Rathbun 1906 b: 503 [part]. — Coifmann 1939: 111 [part].</p><p>Trichodactylus (Trichodactylus) — Coifmann 1939: 111 [part]. — Pretzmann 1968: 70 [part]. — Bott 1969: 14 [part]. — Lopretto 1976: 68 (in list) [part]. — Pretzmann 1983 a: 307. — Pretzmann 1983 b: 320.</p><p>Trichodactylus (Mikrotrichodactylus) Pretzmann, 1968: 71.</p><p>Mikrotrichodactylus — Rodríguez 1992: 55.</p><p>Type species.</p><p>Mikrotrichodactylus borellianus Nobili, 1896, by original designation.</p><p>Diagnosis.</p><p>Carapace: lateral margin devoid of teeth or usually with up to 5 teeth of variable development (vestigial, small or well-developed teeth) in antero- and / or postero-lateral margins. Efferent branchial channel: aperture with yugal lateral lobe present. P 2 – P 5: dactyli and propodi covered by felt-like pubescence; Pleon: pleonal somites free; male pleon usually very wide. Telson (male): anterior margin as broad as or slightly shorter than posterior margin of pleonal somite VI. G 1: simple, straight, positioned more or less diagonally in the sternopleonal cavity; distal half subcylindrical, with or without distinct lobes on lateral and / or mesial surfaces; distal opening wide, V-shaped, fusiform or subtrapezoidal, directed mesially, apex regularly convex, slightly concave or produced mesodorsally. G 2: longer than G 1. Small-sized species (up to 30 mm CW).</p><p>Distribution.</p><p>Atlantic drainage in northern, center and southern South America (in the Amazon basin, the Paraguay-lower Parana River system, as well as in some coastal river basins of southern Brazil and Uruguay).</p><p>Composition.</p><p>Mikrotrichodactylus borellianus (Nobili, 1896); Mikrotrichodactylus panoplus (Martens, 1869); Mikrotrichodactylus faxoni (Rathbun, 1906 a), comb. nov.; Mikrotrichodactylus parvus (Moreira, 1912), comb. nov.; Mikrotrichodactylus ehrhardti (Bott, 1969), comb. nov.; Mikrotrichodactylus kensleyi (Rodríguez, 1992), comb. nov.</p><p>Remarks.</p><p>Mikrotrichodactylus was erected by Pretzmann (1968) as a subgenus of Trichodactylus to accommodate M. borellianus and M. panoplus . Rodríguez (1992) raised it to generic status and kept these same species in the genus. Magalhães and Türkay (1996 a) did not follow the decisions of Pretzmann (1968) and Rodríguez (1992) and treated Trichodactylus and Mikrotrichodactylus as synonyms in their classificatory system. As the present study corroborated the validity of Mikrotrichodactylus, and since different authors have followed either Rodríguez’ (1992) or Magalhães and Türkay’s (1996 a) proposals, we prefer not to treat M. borellianus, and M. panoplus as new combinations herein.</p></div>	https://treatment.plazi.org/id/AC2455883A5A59B39E94C7516E892990	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Souza-Carvalho, Edvanda A.;Magalhães, Célio;Carvalho, Fabrício L.;Mantelatto, Fernando L.	Souza-Carvalho, Edvanda A., Magalhães, Célio, Carvalho, Fabrício L., Mantelatto, Fernando L. (2025): Systematics of Neotropical freshwater crabs Trichodactylinae based on multi-genes and morphological data: new tribe and new combinations. Arthropod Systematics & Phylogeny 83: 315-329, DOI: 10.3897/asp.83.e153079
631515A95D905A3C9B56D3DA84FFCB9A.text	631515A95D905A3C9B56D3DA84FFCB9A.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Rodriguezia Bott 1969	<div><p>Genus Rodriguezia Bott, 1969</p><p>Trichodactylus (Trichodactylus) — Pretzmann 1968: 70 [part.].</p><p>Trichodactylus (Rodriguezia) Bott, 1969: 25 [part.].</p><p>Trichodactylus — Holthuis 1986: 614 (in list) [part]. — Guinot 1988: 19 [part]. — Morrone and Lopretto 1996: 71 [part].</p><p>Rodriguezia — Rodríguez 1992: 62. — Sternberg 1997: 55 (in tab.), 58 (in fig.) [part]. — Villalobos-Hiriart et al. 1993: 284. — Álvarez et al. 1996: 129. — Magalhães and Türkay 1996 a a: 67 (in list), 71 (in key), 72. — Ng et al. 2008: 188 (in list). — De Grave et al. 2009: 42. — Álvarez et al. 2011: 276. — Magalhães and Türkay 2012: 34. — Alvarez and Villalobos 2018: 138. — Rogers et al. 2020: 942 (in key).</p><p>Type species.</p><p>Trichodactylus villalobosi Rodríguez &amp; Manrique, 1967, by original designation.</p><p>Diagnosis.</p><p>Carapace: lateral margin devoid of teeth. Efferent branchial channel: aperture with yugal lateral lobe absent. Pleon: pleonal somites free. Telson (male): subtriangular; anterior margin nearly as broad as posterior margin of pleonal somite VI. G 1: simple, nearly straight; distal half subcylindrical, with weakly developed lobes on ventrolateral surface; distal opening wide, subcircular, apex symmetrical, situated terminally. G 2: shorter than G 1; apex lanceolate or subtriangular. Small-sized species (up to 30 mm CW).</p><p>Distribution.</p><p>Atlantic drainage in southern Mexico.</p><p>Composition.</p><p>Rodriguezia villalobosi (Rodríguez &amp; Manrique, 1967); Rodriguezia mensabak (Cottarelli &amp; Argano, 1977); Rodriguezia adani Alvarez &amp; Villalobos, 2018 .</p><p>Remarks.</p><p>Rodriguezia was previously described as a subgenus of Trichodactylus by Bott (1969) and later elevated to generic status by Rodríguez (1992). This genus is found only in the Atlantic drainage of southern Mexico and comprises three species as listed above. Rodriguezia villalobosi and R. mensabak are known only from their holotypes. Rodriguezia adani and R. mensabak are stygobitic species and exhibit morphological adaptations associated with cave life, such as the absence of eyes, a reduced ocular peduncle, and elongated, slender legs (Cottarelli and Argano, 1977; Alvarez and Villalobos, 2018).</p></div>	https://treatment.plazi.org/id/631515A95D905A3C9B56D3DA84FFCB9A	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Souza-Carvalho, Edvanda A.;Magalhães, Célio;Carvalho, Fabrício L.;Mantelatto, Fernando L.	Souza-Carvalho, Edvanda A., Magalhães, Célio, Carvalho, Fabrício L., Mantelatto, Fernando L. (2025): Systematics of Neotropical freshwater crabs Trichodactylinae based on multi-genes and morphological data: new tribe and new combinations. Arthropod Systematics & Phylogeny 83: 315-329, DOI: 10.3897/asp.83.e153079
AC1A928B26AE5C719F893CFCA0268AB8.text	AC1A928B26AE5C719F893CFCA0268AB8.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Trichodactylus Latreille 1828	<div><p>Genus Trichodactylus Latreille, 1828</p><p>Trichodactylus Latreille, 1828: 705. — Latreille 1829: 43. — Latreille 1831: 343. — H. Milne Edwards 1837: 10 (in key), 16. — H. Milne Edwards 1839 [1836–1844]: 60. — Eydoux and Souleyet 1842: 237. — White 1847 a: 31. — Nicolet 1849: 151. — Dana 1851: 130. — Dana 1852 a: 293, 294. — Dana 1852 b: 124. — H. Milne Edwards 1853: 214. — Lucas 1857: 8. — Heller 1865: 35. — Martens 1868: 18 (in list). — A. Milne-Edwards 1869: 170. — Wood-Mason 1871: 191 (in list). — Ortmann 1893: 491. — Ortmann 1897: 325 [part]. — Young 1900: 227 [part]. — Moreira 1901: 45 [part]. — Ortmann 1902: 310 [part]. — Calman 1909: 315. — Colosi 1919: 42. — Colosi 1920: 10, 11 (in key) [part]. — Coifmann 1939: 111 [part]. — Garth 1957: 39. — Pretzmann 1968: 70 [part]. — Rodríguez 1992: 42 [part]. — Morrone and Lopretto 1996: 71 [part]. — Magalhães and Türkay 1996 a: 67 (in list), 71 (in key), 73 [part]. — Sternberg 1997: 56 (in tab.), 57, 58 (in fig.) [part]. — Magalhães 1998: 520 [part]. — Magalhães 2003: 199 (in key), 246 [part.]. — Ng et al. 2008: 188 (in list) [part]. — De Grave et al. 2009: 42 (in list) [part]. — Brito-Fonseca et al. 2018: 908. — Sternberg and Cumberlidge 2001: 28 (in tab.), 32 (in fig.). — Rogers et al. 2020: 942 (in key) [part]. — Jacobucci et al. 2023: 413.</p><p>Cancer ( Trichodactylus) — Herklots 1861 a: 13. — Herklots, 1861 b: 126.</p><p>Trichodactylus (Trichodactylus) — Rathbun 1906 a: 34 [part]. — Rathbun 1906 b: 503. — Bott 1969: 14 [part].</p><p>Trichodactylus (Valdivia) — Rathbun 1906 a: 43 [part]. — Coifmann 1939: 111 [part].</p><p>Type species.</p><p>Trichodactylus fluviatilis Latreille, 1828, by monotypy.</p><p>Diagnosis.</p><p>Same as for the tribe.</p><p>Distribution.</p><p>Atlantic drainage in coastal river basins of the northeastern, southeastern and southern Brazil, from the state of Sergipe to northeastern part of the state of Rio Grande do Sul, as well as in the Upper Paraná River basin in the states of São Paulo and Paraná.</p><p>Composition.</p><p>Trichodactylus fluviatilis Latreille, 1828; Trichodactylus dentatus H. Milne Edwards, 1853; Trichodactylus crassus A. Milne-Edwards, 1869; Trichodactylus petropolitanus Göldi, 1886 . See below under the section Genus inquiredum et incertae sedis for remarks on the status of “ Trichodactylus ” quinquedentatus Rathbun, 1893 .</p><p>Remarks.</p><p>In addition to these four species currently recognized as valid in the genus Trichodactylus, Souza-Carvalho et al. (2017) found that T. fluviatilis could be considered a complex of species with at least four distinct lineages. The taxonomic study of this complex is currently ongoing.</p></div>	https://treatment.plazi.org/id/AC1A928B26AE5C719F893CFCA0268AB8	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Souza-Carvalho, Edvanda A.;Magalhães, Célio;Carvalho, Fabrício L.;Mantelatto, Fernando L.	Souza-Carvalho, Edvanda A., Magalhães, Célio, Carvalho, Fabrício L., Mantelatto, Fernando L. (2025): Systematics of Neotropical freshwater crabs Trichodactylinae based on multi-genes and morphological data: new tribe and new combinations. Arthropod Systematics & Phylogeny 83: 315-329, DOI: 10.3897/asp.83.e153079
