Orbigny, 1849, vol. 2, p. 203

Type Species

Turbinolia cernua Michelin, 1846: 286, pl. 66, fig. 1; Subsequent Designation d'Orbigny, 1850: 203

Type Specimen: Holotype; ; Verified; Unknown

Type Locality: Coniacian of France (Aude).

The holotype of the type species is housed at MNHN (Paris) under M-444.




Solitary, turbinate to patellate. Costosepta compact peripherally, perforate inwardly and near upper margins, strongly beaded marginally. Septal flanks covered by granulus that vary is size and shape (e.g., rounded, spine- or hook-like). Columella feebly developed, parietal. Synapticulae abundant. Endothecal dissepiments thin, vesicular to subtabulate. Synapticulothecate, irregularly developed. Septal microstructure consists of compound trabeculae.


The holotype of the type species, A. cernua, is housed at the Nat Hist Mus in Paris under M-444.


  • Southern Europe, Central Europe, Eastern Europe; Early Cretaceous - Late Cretaceous
  • Western Europe; Early Cretaceous
  • North America; Late Cretaceous
  • Caribbean; Late Cretaceous

This page has been in preparation since 02-Jun-2007 12:35

This version was contributed by Rosemarie Baron-Szabo on 21-Oct-2014 15:50.

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

Acrosmilia conica d'Orbigny, 1850, holotype
Acrosmilia cernua (Michelin, 1845), holotype