Alloiteau, 1966, in Alloiteau and Dercourt, p. 321

Type Species

Astrocoenia magnifica Fromentel, 1857: 45; Original Designation Alloiteau and Dercourt, 1966: 321

Type Specimen: Holotype; ; Verified; Unknown

Type Locality: Hauterivian of France.



Colonial, cerioid. Gemmation intracalicinal. Corallites prismatic in outline, generally monocentric, temporarily dicentic to tricentric. Costosepta compact, nonconfluent to subconfluent, radially or bilaterally arranged, granulated laterally. Anastomosis present. Columella styliform to sublamellar. Synapticulae present. Wall parathecal to septothecal. Endothecal dissepiments thin, sparse.


The type material of the genus Actinastraeopsis Sikharulidze, 1977, as originally documented in Sikharulidze (1977, p. 71-73,pl. 6, fig. 2, pl. 7, fig. 2, pl. 8, pl. 9, fig. 1, pl. 10, figs. 1-6), shows cerioid polyp integration as well as polyps that are in sub-fasciculate arrangement, the latter of which results in a pseudo-phaceloid appearance (see picture assigned to T. [Actinastraeopsis] phaceloides [Sikharulidze, 1977]).


  • Central Europe; Early Cretaceous
  • Eastern Europe; Early Cretaceous

This page has been in preparation since 02-Jun-2007 12:36

This version was contributed by Rosemarie Baron-Szabo on 27-Mar-2014 13:11.

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

Tricassatraea magnifica (de Fromentel, 1857), sketch of holotype from de Fromentel (1857)
Tricassastraea [Actinastraeopsis] phaceloides (Sikharulidze, 1977)