Ak-Kaya Mountain (Lower Maastrichtian) (Cretaceous of Ukraine)

Where: Ukraine (45.1° N, 34.6° E: paleocoordinates 37.8° N, 30.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, white, argillaceous lime mudstone

• White clayey limestones

Size class: macrofossils

Collection methods: Repository: Museum of the St. Petersburg Mining Institute (SPGGI)

Primary reference: V. V. Arkadiev, A. A. Atabekian, E. Y. Baraboshkin and T. N. Bogdanova. 2000. Stratigraphy and ammonites of Cretaceous deposits of south-west Crimea. Palaeontographica Abteilung A 255:85-128 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 183331: authorized by Matthew Clapham, entered by Matthew Clapham on 11.12.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Diplomoceratidae
Diplomoceras cylindraceum Defrance 1816 ammonite
 Ammonitida - Scaphitidae
Hoploscaphites constrictus Sowerby 1817 ammonite