(8) Bidestan Member (Triassic of Iran)

Where: Iran (32.4° N, 57.5° E: paleocoordinates 12.9° S, 43.8° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Bidestan Member (Nayband Formation), Sevatian (212.0 - 205.6 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; lithified mixed carbonate-siliciclastic sediments

• The Bidestan Member consists mainly of siliciclastics (siltstone and fine sandstone), calcareous sandstone and shelly limestone also occurs.

Size class: macrofossils

Collection methods: Specimen housed at the Palaeontologisches Institut der Universitat Wurzburg (PIW)

Primary reference: M. Hautmann. 2001. Die Muschelfauna der Nayband-Formation (Obertrias, Nor - Rhät) des östlichen Zentraliran. Beringeria 29:3-181 [M. Aberhan/M. Aberhan/M. Aberhan]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 49200: authorized by Martin Aberhan, entered by Sabine Nürnberg on 11.04.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Ostreidae
Umbrostrea iranica Hautmann 2001 oyster
 Arcida - Parallelodontidae
Parallelodon tectum Hautmann 2001 clam
 Cardiida - Anthracosiidae
Unionites griesbachi Bittner 1899 clam
approx. 40 individuals at 5 localities (8 different horizons)