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Publication Type
Journal Article
UWI Author(s)
Author, Analytic
Gordon, C.M.; Donovan, S.K.
Author Affiliation, Ana.
Geography and Geology; Faculty of Pure and Applied Sciences
Article Title
Some fossil echinoids (Echinodermata) from the Neogene of St. Croix, U.S. Virgin Islands
Medium Designator
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Connective Phrase
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Journal Title
Caribbean Journal of Science
Translated Title
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Reprint Status
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Date of Publication
1994
Volume ID
30
Issue ID
1-2
Page(s)
69-75
Language
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Connective Phrase
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Location/URL
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ISSN
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Notes
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Abstract
Most Caribbean islands have a fossil echinoid fauna apparently dominated by irregulars, but undoubtedly biased by taphonomic effects and selective collecting. The late Cenozoic echinoid fauna of St. Croix, determined from disarticulated plates and spines (mainly radioles in thin sections), includes Prionocidaris sp. cf. P. clevei (Cotteau), indeterminate cidaroids and diadematoids , and incertae sedis. The species P. clevei is known from the Miocene while P. sp. cf. P. clevei is Pliocene. Fossil diadematoids are reported from an Antillean island outside Jamaica for the first time and may have formed a hitherto unnoticed but important component of ancient Caribbean ecosystems. The apparent dominance of regular echinoid radioles in St. Croix is probably strongly influenced by concentrating on thin section studies; radioles of irregular echinoids are somewhat smaller and much less obvious.....
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Keywords
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