Where: Russian Federation (44.0° N, 41.6° E: paleocoordinates 38.4° N, 47.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Zigzagiceras zigzag ammonoid zone, Early/Lower Bathonian (167.7 - 164.7 Ma)

• Basal part of the Bathonian (the Gonolkites convergens Subzone of the Zigzag Zone), the local Beds with Oraniceras scythicum

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Collected by M.P. Sherstyukov in 2010; reposited in the PIN

Primary reference: V. V. Mitta and M. P. Sherstyukov. 2023. On the dimorph pair Lobosphinctes/Planisphinctes (Ammonoidea: Perisphinctidae) from the uppermost Bajocian-lowermost Bathonian of the Kuban River basin (Northern Caucasus, Russia). Paleontological Journal 57:307-317 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 230599: authorized by Matthew Clapham, entered by Matthew Clapham on 06.07.2023

Creative Commons license: CC BY (attribution)