Cordylancistrus Isbruecker

Francisco Provenzano & Nadia Milani, 2006, Cordylancistrus nephelion (Siluriformes, Loricariidae), a new and endangered species of suckermouth armored catfish from the Tuy River, north-central Venezuela., Zootaxa 1116, pp. 29-41 : 30

publication ID

z01116p029

publication LSID

lsid:zoobank.org:pub:A3A1A678-3619-48D3-AD5F-1DD0F3A94E22

DOI

https://doi.org/10.5281/zenodo.6262199

persistent identifier

https://treatment.plazi.org/id/1FACFC11-70DB-006B-C0AB-C9D7822D9288

treatment provided by

Thomas

scientific name

Cordylancistrus Isbruecker
status

 

[[ Cordylancistrus Isbruecker View in CoL View at ENA   ZBK ]]

The genus Cordylancistrus   ZBK was described by Isbrücker (1980) with C. torbesensis (Schultz, 1944) as the type and only species. Isbrücker (1980: 48) stated that: “ Cordylancistrus   ZBK seems related to the genus Lasiancistrus , from which it can easily be distinguished by its exceptionally wide head”. Pérez and Provenzano (1996) described C. perijae   ZBK , indicated some external characters that define the genus Cordylancistrus   ZBK and postulated a close relationship between Cordylancistrus   ZBK and the genus Chaetostoma   ZBK . They also presented a biogeographic hypothesis on the distribution of C. torbesensis and C. perijae   ZBK . Isbrücker (2001) included in the genus Cordylancistrus   ZBK the species: C. daguae , C. perijae   ZBK , C. platycephalus , C. platyrhynchus and C. torbesensis , without comment. Fisch-Muller (2003) listed the same five species of Cordylancistrus   ZBK . Armbruster (2004) indicates that species of the genera Chaetostoma   ZBK , Leptoancistrus   ZBK , Dolichancistrus   ZBK and Cordylancistrus   ZBK together form a monophyletic group, but that Cordylancistrus   ZBK is apparently not monophyletic and pointed out that only one basic difference (naked snout) was found between the species of Chaetostoma   ZBK and the species assigned to Leptoancistrus   ZBK , Dolichancistrus   ZBK and Cordylancistrus   ZBK . He transferred Cordylancistrus platyrhynchus to the genus Chaetostoma   ZBK and presented a new diagnosis for Chaetostoma   ZBK while maintaining the rest of the genera. Apparently, the recognition of genera and the assignment of species to a genus are controversial. Transitory, we agree with Isbrücker (2001) and Fisch-Muller (2003) and accept five species in the genus Cordylancistrus   ZBK .

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