Omphalophyllia
Laube, 1865:251
Type Species
Montlivaltia gracilis Muenster, 1841:34: pl. 2, fig. 5; Original Designation Laube, 1865:251
Type Specimen: Syntype; BSPG AS VII 306-308; Verified; Dry Preserved
Type Locality: St. Cassian, Dolomites, Southern Alps. Carnian, Late Triassic
Type species described and illustrated in Cuif 1975:49,pl.1,fig.1-8.
Classification
Diagnosis
Solitary, or permanent state with 2-3 additional centers; calices nearly flat; columella styliform, monoaxial; septa subequal in thickness, abundant, anastomosing;trabeculae thick; septal flanks with pennulae; endotheca composed of small, thin-walled dissepiments; epitheca pellicular.
Comparisons
In addition to description of the type species, comparisons with externally similar genera Conophyllia d'Orbigny, 1849, Myriophyllum Cuif, 1975 and Craspedophyllia Volz,1896 are to be found in the text and/or figures in Cuif 1975:50, and next pages: Conophyllia has parietal columella, sometimes compact, but polyaxial, and septal faces with granules and synapticulae; Myriophyllum has rudimentary, parietal columella, septal sides without prominent micromorphology, no synapticulae; Craspedophyllia with monoaxial columella, has septa with thin, midseptal zone composed of small trabeculae, and menianes on the flanks.
Distribution
- Southern Europe; Late Triassic
This page has been in preparation since 04-May-2009 18:45
This version was contributed by Ewa Roniewicz on 07-Nov-2010 13:56.
Page authors are: Francesca Benzoni. Please contact the editor if you would like to contribute to the diagnosis of this taxon.
The editor is: Ewa Roniewicz
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