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Holocystis

Lonsdale, 1849, p. 253

Type Species

Holocystis elegans Lonsdale, 1850: 253; Original Designation Lonsdale, 1850: 253

Type Specimen: Holotype; ; Verified; Unknown

Type Locality: Lower Aptian of Great Britain (Isle of Wright).

The syntypes of the type species are housed at NHM (London) under R 46800.

Classification

Synonyms

Diagnosis

Colonial, plocoid. Gemmation extracalicinal. Costosepta compact, nonconfluent, tetramerally arranged. Columella absent. Endothecal dissepiments subtabulate. Exothecal dissepiments vesicular. Wall parathecal and septothecal.

Distribution

  • Western Europe; Early Cretaceous
  • Southern Europe; Early Cretaceous
  • Central Europe; Early Cretaceous
  • Eastern Europe; Early Cretaceous
  • Central Asia; Early Cretaceous
  • Central America; Early Cretaceous

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

This version was contributed by Rosemarie Baron-Szabo on 16-Sep-2010 17:20.

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


Holocystis elegans Lonsdale, 1850, syntype and thin section from additional localty (Mexico)
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