Milne Edwards and Haime, 1851, p. 58

Type Species

Trochosmilia tuberosa Milne Edwards and Haime, 1850: 58; Original Designation Milne Edwards and Haime, 1851: 29

Type Specimen: Holotype; NHMUK R48420; Verified; Unknown

Type Locality: Upper Albian of England, UK (Blackdown, Devonshire).




Solitary, trochoid or subturbinate, fixed. Costosepta compact, coarsely granulated laterally. Columella absent but septal axial ends may fuse and form a pseudocolumella. Wall parathecal or septothecal. Endothecal dissepiments developed, but deep in corallum.


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

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

This version was contributed by Rosemarie Baron-Szabo on 10-Sep-2010 19:14.

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

Smilotrochus cornucopiae (Duncan 69), chronotype