logo

Rhizangia

Milne Edwards, 1848, p. 496

Type Species

Astrea brevissima Deshayes, 1834, p.; Unknown

Type Specimen: Holotype; ; Not Traced; Unknown

Type Locality: Middle Eocene: France

Classification

Diagnosis

Colonial, tympanoid, reptoid. Gemmation extracalicinal. Costosepta compact, strongly dentate laterally. Anastomosis present. Columella parietal-papillose. Synapticulae present. Endothecal dissepiments sparse or absent. Wall synapticulothecal.

Distribution

  • Central Europe; Late Cretaceous - Oligocene
  • Caribbean; Late Cretaceous
  • Southern Europe; Paleocene - Oligocene
  • North Africa; Eocene - Oligocene

This page has been in preparation since 08-Oct-2008 15:21

This version was contributed by Rosemarie Baron-Szabo on 21-Jun-2010 19:06.

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: Stephen D. Cairns


Rhizangia brevissima (Deshayes, in Ladoucette, 1834), topotype, Alloiteau collection
info
Rhizangia brevissima (Deshayes, in Ladoucette, 1834), topotype, Alloiteau
info
Rhizangia michelini Reuss,1854, syntype, polyps encrusting Cunnolites
info
Rhizangia hoernesi Reuss, 1864, holotype
info