Columactinastraea
Alloiteau, 1952, p. 603
Type Species
Columactinastrea rennensis Alloiteau, 1952: 603; Original Designation Alloiteau, 1952: 603
Type Specimen: Holotype; ; Verified; Unknown
Type Locality: Upper Santonian of France (Les Corbiere, Aude)
The holotype of the type species is housed at MNHN (Paris) under R.10928.
Classification
Synonyms
Diagnosis
Colonial. Massive, cerioid, cerio-plocoid. Budding extracalicular. Corallites irregularly polygonal to rounded in outline, directly united by their septothecal or parathecal walls. Costosepta compact. Septal margins finely granulated. Columella styliform, sublamellar, or absent and might form by extensions of axial edges of septa as pseudo-columella. Pali before septa of first cycle complete or incomplete, pali before second cycle septa complete, incomplete or absent. Endothecal dissepiments thin, vesicular or subtabulate. Wall septothecal; thecal pores (lacunes) present or absent.
Distribution
- East Asia; Late Jurassic - Early Cretaceous
- North America; Early Cretaceous
- Central America; Early Cretaceous
- Central Europe; Late Cretaceous
This page has been in preparation since 02-Jun-2007 12:35
This version was contributed by Rosemarie Baron-Szabo on 05-Nov-2016 17:36.
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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