Alloiteau, 1957, p. 289
Oroseris explanata de Fromentel, 1857: 33; Original Designation Alloiteau, 1957: 289
Type Specimen: Holotype; ; Verified; Unknown
Type Locality: Lower Hauterivian of France (Yonne).
The holotype of the type species is housed at MNHN (Paris) under M03720.
Colonial, massive, meandroid. Gemmation intracalicinal-terminal, forming calicinal series separated by tectiform collines. Calices distinct. Septa subcompact, finely granulated laterally. Synapticulae numerous. Columella spongy-parietal. No wall between calicinal series. Endothecal dissepiments thin.
- Southern Europe, Central Europe; Early Cretaceous - Late Cretaceous
- Eastern Europe; Early Cretaceous
- Australasia; Late Cretaceous
This page has been in preparation since 02-Jun-2007 12:36
This version was contributed by Rosemarie Baron-Szabo on 12-Sep-2010 19:40.
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