Astrocoeniidae

Koby, 1889, p. 570

The family was established in the ninth part of the "Monographie des polypiers Jurassiques de la Suisse" (Koby, F., Mémoires de la Société Paléontologique Suisse, 16, 457–582) published in 1889, not 1890.

Diagnosis

[from Wells 1956] Colonial, hermatypic, phaceloid to cerioid by extratentacular budding. Corallite walls septothecal (except Pinacophyllum), composed of one series of simple trabecular spines projecting inward and upward from the wall, those of lower cycles fusing in the septal plane to form nearly smooth- or beaded-margined laminae. Columella absent or styliform and continuous. Endothecal dissepiments tabular; exothecal dissepiments tabular when developed.

Contains

• Astrocoenia Milne Edwards and Haime, 1848, p.469
• Atopocoenia Wells, 1973, p.378
• Haldonia Duncan, 1879
• Stylocoeniella Yabe and Sugiyama, 1935, p.103

This page has been in preparation since 02-Oct-2009 17:15

This version was contributed by Danwei Huang on 27-Sep-2012 20:43.

Page authors are: Jim Klaus Danwei Huang. Please contact the editor if you would like to contribute to the diagnosis of this taxon.

The editor is: Ann Budd