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
•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
Echinoidea | |
Toxaster cf. retusus Lamarck 1816 heart urchin | |
Bivalvia | |
"Cardium" aff. cottaldinum cockle | |
Rhynchonellata | |
Sellithyris sp. Middlemiss 1959 | |