Haldonia
Duncan, 1879
Type Species
Haldonia vicaryi Duncan, 1879: 91; Original Designation Duncan, 1879: 91
Type Specimen: Holotype; ; Verified; Unknown
Type Locality: Upper Albian of England (Haldon Hill, UK).
The holotype of the type species is housed at NHM (London) under R.5373.
Synonyms
Diagnosis
Colonial, massive, plocoid. Gemmation extracalicinal. Costosepta compact, non-confluent, granulated. Columella absent, but trabecular extensions of axial septal ends may form pseudocolumella. Paliform structures present before S1. Wall parathecal, rarely septoparathecal. Endothecal dissepiments thin, vesicular.
Distribution
- Western Europe; Early Cretaceous
- Caribbean; Late Cretaceous
This page has been in preparation since 02-Jun-2007 12:36
This version was contributed by Rosemarie Baron-Szabo on 25-Aug-2010 18:27.
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
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