ex Astraeomorphinae Frech, 1890:64
Colonial thamnasterioid; increase intra and extracalicular; corallites small; radial elements compact, short; trabecular centers individualized or coalescing into a homogeneous mid-septal zone; synapticulae in a single row at the boundary between corallites and at the internal edges of septa which anastomose with sides of neighboring septa, or scattered; menianes developed or lacking; columella monoaxial; endotheca poorly developed, vesicular; holotheca.
This page has been in preparation since 11-Oct-2010 14:56
This version was contributed by Ewa Roniewicz on 16-Oct-2010 08:42.
Page authors are: Ewa Roniewicz. Please contact the editor if you would like to contribute to the diagnosis of this taxon.
The editor is: Ewa Roniewicz