Dermoseris

Koby, 1887:340

Type Species

Dermoseris schardti Koby, 1887: 340, pl. 89: 5, 5a; Original Designation Koby, 1887: 340

Type Specimen: Holotype; ; Not Traced; Unknown

Type Locality: St Germain, Switzerland. Kimmeridgian

Classification

• Family: Microsolenidae Koby, 1889

Diagnosis

Phaceloid. Corallites covered with epitheca. Calices convex with a small axial pit. Septa numerous, regularly structurally perforated. Distal margin moniliform, inner margin with trabecular projections which make a small papillar columella; septal faces with pennulae coalescing into menianes. Endotheca of thin-walled dissepiments. Increase by intracalicular budding with lamellar linkages.

Description

The original description of the type species, and illustrations by Koby 1887: pl. 89: 5, 5a; description and illustrations of thin sections of D. delgadoi Koby, in Roniewicz, 1976, pl. 32, fig. 1a,b present a typical structural features of the genus.

Comparisons

From other genera of the family Microsolenidae it differs in a phaceloid growth form

Remarks

At least 16 species, including the type, were described from the Late Jurassic and Early Cretaceous.

Distribution

• Western Europe; Late Jurassic
• Southern Europe; Early Cretaceous
• Central Europe; Late Cretaceous

This page has been in preparation since 18-Aug-2009 16:24

This version was contributed by Ewa Roniewicz on 20-Nov-2010 15:26.

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

The editor is: Bernard Lathuilière