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Plesiastreopsis

Chevalier, 1954, p. 118

Type Species

Astrea vesparia Michelin, 1841: 22; Original Designation Chevalier, 1954: 118

Type Specimen: Holotype; MR 2.000.041; Not Traced; Unknown

Type Locality: Upper Turonian of France (Uchaux, Vaucluse)

Classification

Diagnosis

Colonial, massive, plocoid. Gemmation extracalicinal. Costosepta compact, generally subconfluent, confluent occasionally, radially arranged, regularly granulated laterally. Columella irregularly spongy-papillose. Pali present in front of the S1 and S2. Endothecal dissepiments sparse. Wall parathecal.

Comparisons

Differs from Columastrea in having a complete set of S2 pali and generally no septothecal developments.

Distribution

  • Southern Europe; Early Cretaceous - Late Cretaceous
  • Central Europe; Late Cretaceous

This page has been in preparation since 02-Jun-2007 12:36

This version was contributed by Rosemarie Baron-Szabo on 04-Sep-2010 17:35.

Page authors are: Rosemarie Baron-Szabo. Please contact the editor if you would like to contribute to the diagnosis of this taxon.

The editor is: Rosemarie Baron-Szabo

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