Ceratocoenia

Tomes, 1884, p. 703

Type Species

Ceratocoenia elongata Tomes, 1884, p. 703, pl. 32 fig. 3-4; Monotypy

Type Specimen: Holotype; NHMUK R.18120; Verified; Dry Preserved

Type Locality: Great Oolite (Bathonian, Middle Jurassic) of Hydrequent (Boulonnais, France)

Description

Solitary cylindroid sligthly arched corallum. Elliptical outline. Outer surface rather smooth with horizontal high growth folds and vertical narrow grooves corresponding to septa. Radial elements are compact free thick, robust and swollen septa. Distal edge unknown, inner edge vertical and smooth, lateral faces not ornamented, no pali. Microstructure unknown. Hexameral symmetry. Endotheca made of tabulae , columella absent, synapticulae absent, thick wall of unknown nature (pachytheca ?).

Remarks

Two nominal species known in Jurassic. Rare

Distribution

• Western Europe; Middle Jurassic

This page has been in preparation since 19-Feb-2010 09:44

This version was contributed by Bernard Lathuilière on 19-Feb-2010 10:10.

Page authors are: Bernard Lathuilière. Please contact the editor if you would like to contribute to the diagnosis of this taxon.

The editor is: Bernard Lathuilière