Dimorphomeandra
Alloiteau, 1958, p. 166
Type Species
Dimorphomeandra besairiei Alloiteau, 1958: 166, pl. 10, fig. 7, pl. 19, fig. 3, pl. 32, fig. 2, pl. 34, fig. 4.; Original Designation Alloiteau, 1958: 166.
Type Specimen: Holotype; ; Verified; Unknown
Type Locality: Coniacian of Madagascar.
The holotype of the type species is housed at MNHN (Paris) under M05048.
Classification
Diagnosis
Colonial, massive, thamnasterioid to meandroid. Gemmation circumoral, followed by intracalicinal budding. Calices distinct, in concentric to meandroid series, separated by tectiform collines. Septa generally compact, confluent or subconfluent. Septal flanks have fine dentations, rounded granules, and small ?pennulae. Costae weakly developed or absent. Columella spongy or made of irregular segments. Synapticulae numerous. No wall between the calicinal series. Endothecal dissepiments abundant.
Distribution
- Eastern Europe; Late Jurassic
- Southern Europe, Central Europe; Early Cretaceous - Late Cretaceous
- Australasia; Late Cretaceous
This page has been in preparation since 02-Jun-2007 12:35
This version was contributed by Rosemarie Baron-Szabo on 06-Jul-2013 17:47.
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
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