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A new species of Eoceratoconcha Newman and Ladd, 1974 (Cirripedia, Archaeobalanidae) from the Pliocene of Florida

Published online by Cambridge University Press:  20 May 2016

Victor A. Zullo  and
Roger W. Portell
Victor A. Zullo
Affiliation:
Department of Earth Sciences, University of North Carolina at Wilmington 28403
Roger W. Portell
Affiliation:
Florida Museum of Natural History, University of Florida, Gainesville 32611
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Abstract

The coral-inhabiting archaeobalanid barnacle genus Eoceratoconcha Newman and Ladd, 1974, previously known only from the middle Miocene of Trinidad and questionably from the lower Miocene of Jamaica, is represented by a new species, E. weisbordi, in the coral Solenastrea bournoni Milne-Edwards and Haime from the upper Pliocene Pinecrest beds of Sarasota County, Florida. The new species differs from Miocene species of Eoceratoconcha in its larger overall size and more subdued wall plate ribbing, and is further distinguished from the type species, E. kugleri Newman and Ladd, in having a well-developed scutal adductor ridge and conspicuous tergal depressor muscle crests. The opercular morphology of E. weisbordi further supports the proposal of Newman and Ladd (1974) that Eoceratoconcha is ancestral to the pyrgomatid genus Ceratoconcha Kramberger-Gorjanovic.

Type
Research Article
Information
Journal of Paleontology , Volume 65 , Issue 2 , March 1991 , pp. 271 - 276
Copyright
Copyright © The Paleontological Society 

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