Placohelia
Pocta, 1887, p. 49
Type Species
Placohelia rimosa Pocta, 1887: 49; Original Designation Pocta, 1887: 49
Type Specimen: Holotype; ; Verified; Unknown
Type Locality: Lower Turonian of the Czech Republic (Bohemia).
The holotype of the type species is housed at MNHP (Prague) under O 3077.
Classification
Synonyms
Diagnosis
Colonial, massive, submeandroid-plocoid. Gemmation intracalicinal. Corallites isolated or arranged in short series, with distinct or subdistinct calicinal centres. Ambulacrae large and flat. Costosepta compact, granulated laterally. Columella lamellar, discontinuous. Endothecal dissepiments thin, vesicular. Exothecal dissepiments numerous, vesicular. Wall septoparathecal.
Remarks
For more information regarding the genus Hydnophoropsis, see there.
Distribution
- Central Europe; Early Cretaceous - Late Cretaceous
- North America; Early Cretaceous
- North Africa; Late Cretaceous
This page has been in preparation since 02-Jun-2007 12:36
This version was contributed by Rosemarie Baron-Szabo on 14-Nov-2015 18:44.
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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