Orbigny, 1849, p. 11

Type Species

Actinacis martiniana Orbigny, 1849, p. 11; Monotypy Orbigny, 1849, p. 11

Type Specimen: Holotype; ; Not Traced; Unknown

Type Locality: Turonian of France (Figuères).

The holotype of the type species is housed at MNHN (Paris) under 7107




Colony plocoid. Colony formation by extracalicinal budding. Corallites are embedded in a reticulate, porous coenosteum. Costosepta have few, but large perforations. Anastomosis present. Septal flanks granular. Wall synapticulothecate, incomplete. Columella parietal or substyliform or formed by elongated segments. No pali. Synapticulae abundant. Endothecal dissepiments sparse. Skeletal microstructure consists of simple and compound trabeculae.


The holotype of the type species, A. martiniana, is deposited at the Nat Hist Mus in Paris under 7107 (d'Orbigny coll.).


  • Southern Europe, Central Europe, Eastern Europe, North Africa; Early Cretaceous - Late Cretaceous
  • East Asia; Early Cretaceous
  • North America; Early Cretaceous

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

This version was contributed by Rosemarie Baron-Szabo on 16-Sep-2010 18:14.

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

Actinacis parvistella Oppenheim, 1930
Actinacis martiniana d'Orbigny, 1850