Pratz, 1882-1883, p. 114

Mesomorpha Pratz, 1882-1883, p. 114 is a junior homonym (unavailable), see Ahrdorffia Trauth, 1911, p. 171 (the replacement taxon).

The genus Mesomorpha Pratz, 1882-1883, p. 114, represents a junior homonym of the genus Mesomorpha Hodgson, 1841 (bird). Because Ahrdoffia Trauth, 1911, is con-generic with Pratz's genus, it is used as the replacement taxon.

Type Species

Porites mammillata Reuss, 1854, p. 129, pl. 10, figs. 9-10; Subsequent Designation Felix, 1925, p. 133

Type Specimen: Syntype; ; Verified; Unknown

Type Locality: Santonian of Austria (Gosau Group).

Lectotype: GBA 1854/007/0125 of the Reuss collection; lectotype designation by Baron-Szabo (2014, p. 40, pl. 34, figs. 1-3).



Colony massive, subthamnasterioid. Buddling intracalicular. Septa compact, subconfluent or confluent. Distal margin of septa ornamented with delicate denticles. Lateral surface of septa with spiniform granulae. Synapticulae abundant. Columella styliform. Endothecal dissepiments abundant. No wall between the calices. Septa composed of simple trabeculae.


Loser (2013, p, 18) stated that the type material of the type species of Mesomorpha Pratz was lost. This statement, however, is incorrect as there is type material in the Reuss collection housed at the Geological Survey Vienna (GBA), Austria (verification of material data by Irene Zorn, GBA, in 2009 and 2013).


  • North America; Late Triassic
  • Southern Europe, Central Europe, Eastern Europe, North Africa; Late Jurassic - Eocene
  • North Africa; Early Cretaceous
  • Central Asia; Early Cretaceous
  • North America; Early Cretaceous

This page has been in preparation since 31-May-2010 18:01

This version was contributed by Rosemarie Baron-Szabo on 01-May-2015 19:35.

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

Mesomorpha mammillata (Reuss, 1854), lectotype