Layer 3 SW Mount Bishik (Cretaceous of Turkmenistan)

Where: Turkmenistan (40.1° N, 55.1° E: paleocoordinates 34.9° N, 59.8° E)

• outcrop-level geographic resolution

When: Late/Upper Barremian (130.0 - 125.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; poorly lithified, shelly/skeletal sandstone and poorly lithified, ferruginous, gray siltstone

• Epicontinetal platform of the Turan Plate
• 0.20m thick laminated sandstone with frgments of molluscs at the base of Layer 3 overlain by

•3.5 m of siltstone with echinoids at the base and bivalves on top.

•4.5 m of siltstone on top of Layer 3

Size class: macrofossils

Preservation: mold/impression, recrystallized, original calcite, replaced with calcite

Collection methods: Museo di Paleontologia dell'Università degli Studi di Milano, via Mangiagalli (Italy)

Primary reference: F. Cecca, A. V. Dhondt, and T. N. Bogdanova. 1999. The Aptian stratigraphy of the southern Tuarkyr (NW Turkmenistan, Central Asia). Rivista Italiana di Paleontologia e Stratigrafia 105(3):377-396 [F. Cecca/F. Cecca/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 47025: authorized by Fabrizio Cecca, entered by Fabrizio Cecca on 01.02.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Echinoidea
 Spatangoida - Toxasteridae
Toxaster cf. retusus
Toxaster cf. retusus Lamarck 1816 heart urchin
Rhynchonellata
 Terebratulida - Sellithyrididae
Sellithyris sp.
Sellithyris sp. Middlemiss 1959
 Rhynchonellida - Tetrarhynchiidae
Belbekella bertheloti
Bivalvia
 Cardiida - Cardiidae
"Cardium" aff. cottaldinum