Columnaphyllia

Geyer, 1955, p. 192

Type Species

Columnaphyllia tithonica Geyer, 1955, p. 192, pl. 22 fig. 3; Original Designation

Type Specimen: Holotype; NHMW 1912 VI 118; Not Traced; Unknown

Type Locality: Tithonian (Upper Jurassic) from Stramberg (Czech republic)

Description

Phaceloid corallum with cylindrical to compressed branches. Epitheca slightly transversally folded. costae. Radial elements are compact costosepta of different thicknesses, bicuneiform, curved and proximally anastomosed to the columella. No palis. Microstructure unknown. Hexameral symmetry not deciphered. Clear bilateral symmetry marked by elongation of the corallite, curvature of septa and the lamellar columella. Endotheca and wall like Axosmilia.

Comparisons

Placophyllia and Pleurophyllia have smaller calices, less septa and the septal cycles can be clearly deciphered.

Remarks

One nominal species

Distribution

• Southern Europe; Late Jurassic
• Central Europe; Late Jurassic

This page has been in preparation since 07-May-2009 10:25

This version was contributed by Bernard Lathuilière on 03-Mar-2010 14:36.

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