Distichopsis
Roniewicz, 1996: 31
Type Species
Distichopsis vesiculoseptata Roniewicz 1996:31, pl.7, fig. 2a-d; Original Designation Roniewicz 1996:31
Type Specimen: Holotype; NHMW 1995/1/24; Verified; Dry Preserved
Type Locality: site field number 58, Gosaukamm, Northern Calcareous Alps. Norian, Late Triassic
Classification
Diagnosis
Solitary. Septa fusiform, originally thin and subsequently widened by accetion of small dissepiments. Original septal blade is zigzag, wavy or straight in cross section. Septal apparatus composed of septa of 5 size orders. Dissepiments vesicular, differentiated into small vesiculae covering the septa and larger ones forming the endotheca proper.
Description
Two species from the Gosaukamm described in Roniewicz 1996:32-35,pl.7, fig.1,2.
Comparisons
Differs from Distichophyllia Cuif in the way of thickening of septal blades through accretion of the dissepiments to the septal sides, while in Distichophyllia the septal blades widened by deposition of lateral stereom organized into fascicles of fibers provided with axis (=lateral short trabeculae).
Remarks
Two species are known.
Distribution
- Southern Europe; Late Triassic
Northern Calcareous Alps: NorianThis page has been in preparation since 25-Oct-2010 15:17
This version was contributed by Ewa Roniewicz on 08-Nov-2010 22:51.
Page authors are: Ewa Roniewicz. 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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