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Información del Artículo

Título:
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Some fossil echinods (Echinodermata) from the Neogene of St. Croix, U.S. Virgin Islands
Autores:
En: CARIBBEAN JOURNAL OF SCIENCE, 30 (1-2) June 1994: 69-75. bibl. il. tabla.
Revista: Caribbean journal of science, vol. 30, núm. 1-2; June 1994
Resumen: 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, U.S. Virgin Islands, determined from disarticulated plates and spines (mainly radioles in thin section), includes Prionocidaris sp. cf. P. clevei (Cotteau), indeterminate cidaroids and diadematoids, and incertae sedis.
Resumen: 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.
Resumen: 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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