A Taxonomic Review of the Australian Butterfly Ray Gymnura australis (Ramsay & Ogilby, 1886) and Other Members of the family Gymnuridae (Order Rajiformes) from the Indo-West Pacific

Jacobsen, I. P. and Bennett, M. B. (2009) A Taxonomic Review of the Australian Butterfly Ray Gymnura australis (Ramsay & Ogilby, 1886) and Other Members of the family Gymnuridae (Order Rajiformes) from the Indo-West Pacific. Zootaxa, 2228: 1-28.

Author Jacobsen, I. P.
Bennett, M. B.
Title A Taxonomic Review of the Australian Butterfly Ray Gymnura australis (Ramsay & Ogilby, 1886) and Other Members of the family Gymnuridae (Order Rajiformes) from the Indo-West Pacific
Journal name Zootaxa   Check publisher's open access policy
ISSN 1175-5326
Publication date 2009-09
Year available 2009
Sub-type Article (original research)
Issue 2228
Start page 1
End page 28
Total pages 28
Editor Z-Q. Zhang
Place of publication New Zealand
Publisher Magnolia Press
Collection year 2010
Language eng
Subject C1
8301 Fisheries - Aquaculture
060807 Animal Structure and Function
060308 Life Histories
060205 Marine and Estuarine Ecology (incl. Marine Ichthyology)
Abstract The taxonomy of G. australis was examined as part of a wider review of Indo-West Pacific Gymnuridae species. The study revealed two distinct morphological variants: G. australis var. eastern Australia and G. australis var. northern Australia. Gymnrua australis var. eastern Australia has <= 3 complete or partially-complete white tail-bands and may or may not have a dorsal fin. Gymnura australis var. northern Australia has a longer tail region, always possesses a dorsal fin and has >= 4 predominantly complete white tail-bands. Morphological and genetic comparisons indicate the observed differences were intraspecific (1.22% genetic gap difference). Wider morphometric comparisons between Indo-West Pacific gymnurids, revealed species differ principally in tail morphology. Dorsal-fin development in G. zonura also varied intraspecifically. Results obtained from the study, help clarify the taxonomic status of the family and provide strong evidence that all Gymnuridae species belong to a single genus Gymnura, with Aetoplatea subsequently defined as a junior synonym.
Keyword Gymnuridae
japonica
poecilura
tentaculata
Japan
Indonesia
MYLIOBATIFORMES
CHONDRICHTHYES
UROLOPHIDAE
BATOIDEA
GENUS
Q-Index Code C1
Q-Index Status Confirmed Code
Additional Notes no DOI

Document type: Journal Article
Sub-type: Article (original research)
Collections: 2010 Higher Education Research Data Collection
School of Biomedical Sciences Publications
 
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Created: Mon, 21 Sep 2009, 15:46:56 EST by Cameron Harris on behalf of School of Biomedical Sciences