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Mah, C.L. (2005). A phylogeny of Iconaster and Glyphodiscus (Goniasteridae; Valvatida; Asteroidea) with descriptions of four new species. Zoosystema 27(1): 131-167.
43958
Mah, C. L.
2005
A phylogeny of Iconaster and Glyphodiscus (Goniasteridae; Valvatida; Asteroidea) with descriptions of four new species
Zoosystema
27(1): 131-167
Publication
A phylogenetic analysis of 12 taxa and 31 characters resulted in a single most parsimonious tree that supports monophyly of the goniasterid genera Iconaster and Glyphodiscus. Four new species, Glyphodiscus magnificus, Glyphodiscus pentagonalis, Iconaster uchelbeluuensis, and Iconaster vanuatuensis, are described and two species are synonymized. At least three species within the genus Iconaster appear to have invaded shallower water from a deeper-water ancestry. Glassy granules, similar to those interpreted as photoreceptors in ophiuroids and other goniasterids, are present in the shallow-water Iconaster clade. Glassy granules are largely absent in the deeper-water sister and outgroup taxa, suggesting their occurrence as related to photic zone or shallow-water occupation. Biogeographic patterns as presently known suggest that diversification in Iconaster and Glyphodiscus has been restricted to the central and south-Pacific regions.
Pacific, South East
Polynesia
Phylogeny, Phylogenesis
Systematics, Taxonomy
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BibTex (BibDesk, LaTeX)
Date
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by
2013-01-12 18:30:12Z
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Checked: verified by a taxonomic editorGlyphodiscus Fisher, 1917 (basis of record)
Checked: verified by a taxonomic editorGlyphodiscus magnificus Mah, 2005 (original description)
Checked: verified by a taxonomic editorGlyphodiscus pentagonalis Mah, 2005 (original description)
Checked: verified by a taxonomic editorGlyphodiscus perierctus (Fisher, 1913) (source of synonymy)
Checked: verified by a taxonomic editorGoniasteridae Forbes, 1841 (additional source)
Checked: verified by a taxonomic editorIconaster Sladen, 1889 (basis of record)
Checked: verified by a taxonomic editorIconaster corindonensis Aziz & Jangoux, 1984 accepted as Checked: verified by a taxonomic editorLithosoma penichra Fisher, 1917 (source of synonymy)
Checked: verified by a taxonomic editorIconaster elegans Jangoux, 1981 (additional source)
Checked: verified by a taxonomic editorIconaster longimanus (Möbius, 1859) (additional source)
Checked: verified by a taxonomic editorIconaster uchelbeluuensis Mah, 2005 (original description)
Checked: verified by a taxonomic editorIconaster vanuatuensis Mah, 2005 (original description)
New Caledonia for Checked: verified by a taxonomic editorGlyphodiscus magnificus Mah, 2005 
New Caledonia for Checked: verified by a taxonomic editorGlyphodiscus pentagonalis Mah, 2005 
New Caledonia for Checked: verified by a taxonomic editorGlyphodiscus perierctus (Fisher, 1913) 
New Caledonia for Checked: verified by a taxonomic editorIconaster uchelbeluuensis Mah, 2005 
Palau for Checked: verified by a taxonomic editorGlyphodiscus magnificus Mah, 2005 
Palau Islands for Checked: verified by a taxonomic editorIconaster uchelbeluuensis Mah, 2005 
Philippines for Checked: verified by a taxonomic editorIconaster uchelbeluuensis Mah, 2005 
Vanuatu (Continental Slope) for Checked: verified by a taxonomic editorGlyphodiscus magnificus Mah, 2005 
Vanuatu (Continental Slope) for Checked: verified by a taxonomic editorIconaster vanuatuensis Mah, 2005 
Western Australia (state) for Checked: verified by a taxonomic editorGlyphodiscus perierctus (Fisher, 1913) 
Holotype CAS 168012, identified as Glyphodiscus magnificus Mah, 2005
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