Dvuyakornaya Bay, upper member 9 (Jurassic of Ukraine)

Where: Crimea, Ukraine (45.0° N, 35.4° E: paleocoordinates 2.3° N, 50.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Protacanthodiscus andreaei ammonoid zone, Dvuyakornaya Formation, Late/Upper Tithonian (150.8 - 145.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified claystone

Size class: macrofossils

Collected by V.V. Arkadiev in 2009

• Repository: Museum of Paleontology and Stratigraphy of the Department of Dynamic and Historical Geology of St. Petersburg State University

Primary reference: V. V. Arkadiev. 2011. New data on ammonoids of the genus Paraulacosphinctes from the Upper Tithonian of the Mountainous Crimea. Stratigraphy and Geological Correlation 19:238-242 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 174795: authorized by Matthew Clapham, entered by Matthew Clapham on 27.11.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Ataxioceratidae