Where: Ukraine (44.6° N, 34.1° E: paleocoordinates 8.9° N, 49.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Early/Lower Bathonian (167.7 - 164.7 Ma)

• "Bajocian-Bathonian boundary beds" in plate caption; "overlies upper Bajocian" in material description; "Lower Bathonian" in distribution description

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary mudstone

Size class: macrofossils

Collected by O. V. Snegireva

Primary reference: N. V. Besnosov and V. V. Mitta. 1993. Pozdnebayosskie i Batskie Ammonitidy Severnogo Kavkaza i Sredney Azii 1-347 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 188459: authorized by Matthew Clapham, entered by Matthew Clapham on 01.09.2017

Creative Commons license: CC BY (attribution)