Where: Russian Federation (43.9° N, 41.6° E: paleocoordinates 38.4° N, 47.5° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Strenoceras niortense ammonoid zone, Djangura Member (Djangura Formation), Late/Upper Bajocian (171.6 - 167.7 Ma)

• Lower part of the Niortense zone (Rostovtsevi subzone, lissajousi horizon)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary, micaceous claystone

Size class: macrofossils

Collected by V.V. Mitta in 2016; reposited in the PIN

Primary reference: V. V. Mitta. 2017. The genus Keppleritiana gen. nov. (Stephanoceratidae, Ammonoidea) from the Upper Bajocian of the northern Caucasus. Paleontological Journal 51:247-257 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 186495: authorized by Matthew Clapham, entered by Matthew Clapham on 22.06.2017

Creative Commons license: CC BY (attribution)