Journal article
A new species of the blind and miniature genus Micromyzon Friel and Lundberg, 1996 (Silurifomes: Aspredinidae) from the Orinoco River: describing catfish diversity using high-resolution computed tomography
Proceedings of the Academy of Natural Sciences of Philadelphia, v 165(1), pp 37-53
Dec 2016
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Abstract
A new species of the aspredinid catfish tribe Hoplomyzontini Micromyzon is described from two specimens collected with trawl nets in two localities, at 10 and 18 m depth, in the main channel of the lower Orinoco River in Venezuela almost 40 years ago. The new species is distinguished from its only congener, Micromyzon akamai, by the: straight anterior margin of the mesethmoid; open posterior cranial fontanel; ossified first pectoral-fin radial; single tubular infraorbital bone; infraorbital sensory canal entering neurocranium via the frontal; enclosed foramen for the abductor superficialis muscle in the coracoid; higher vertebral count (33 vs. 28–32); higher anal-fin ray count (10 or 11 vs. 7–9); and some morphometric features. The holotype of the new species was scanned using High-Resolution X-ray Computed Tomography to illustrate, describe, and compare its bony skeleton to other hoplomyzontins.
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Details
- Title
- A new species of the blind and miniature genus Micromyzon Friel and Lundberg, 1996 (Silurifomes: Aspredinidae) from the Orinoco River: describing catfish diversity using high-resolution computed tomography
- Creators
- Tiago P Carvalho - Universidade Federal do Rio Grande do SulJohn G Lundberg - Drexel UniversityJonathan N Baskin - California State Polytechnic UniversityJohn P Friel - University of AlabamaRoberto E Reis - Pontifícia Universidade Católica do Rio Grande do Sul
- Publication Details
- Proceedings of the Academy of Natural Sciences of Philadelphia, v 165(1), pp 37-53
- Publisher
- Academy of Natural Sciences of Philadelphia
- Number of pages
- 9
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Academy of Natural Sciences of Drexel University
- Web of Science ID
- WOS:000433274900004
- Scopus ID
- 2-s2.0-85008967196
- Other Identifier
- 991019335605304721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Biodiversity Conservation
- Ecology