Journal article
A New Miniature Species of Acanthobunocephalus (Silurifomes: Aspredinidae) from the Lower Purus River Basin, Amazon Basin, Brazil
Copeia, v 108(2), pp 347-357
27 May 2020
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Abstract
A second species of Acanthobunocephalus is described from tributaries of the lower Purus River in the Amazon Basin, Brazil. Acanthobunocephalus scruggsi, new species, is distinguished from all other aspredinid species by its reduced number of fin rays: four pectoral-fin rays (vs. five or more), two dorsal-fin rays (vs. three or more, except Amaralia hypsiura), five pelvic-fin rays (vs. six), four to five anal-fin rays (vs. six or more, except Bunocephalus verrucosus), and nine caudal-fin rays (vs. 10, except Hoplomyzontinae, Amaralia, Platystacus, Bunocephalus chamaizelus, and Bunocephalus minerim). Osteological aspects of the new species of Acanthobunocephalus are described using cleared and stained specimens and high-resolution x-ray computed tomography (HRXCT), and compared with Acanthobunocephalus nicoi and other aspredinids. Generic assignment is based on putative apomorphic shared features and a morphological diagnosis for Acanthobunocephalus is presented.
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Details
- Title
- A New Miniature Species of Acanthobunocephalus (Silurifomes: Aspredinidae) from the Lower Purus River Basin, Amazon Basin, Brazil
- Creators
- Tiago P Carvalho - Universidade Federal do Rio Grande do SulRoberto E Reis - Pontifícia Universidade Católica do Rio Grande do SulVance G Nielsen
- Publication Details
- Copeia, v 108(2), pp 347-357
- Publisher
- American Society of Ichthyologists and Herpetologists
- Number of pages
- 11
- Resource Type
- Journal article
- Language
- English
- Web of Science ID
- WOS:000551278600009
- Scopus ID
- 2-s2.0-85090909034
- Other Identifier
- 991019357636904721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Zoology