Locality 31, Storozhevaya (Jurassic of Russian Federation)

Where: Russian Federation (43.9° N, 41.5° E: paleocoordinates 38.3° N, 47.4° 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)

• Baculatum subzone

• group of beds-level stratigraphic resolution

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

• Dark-gray strongly arenaceous, micaceous clay with large lenses of yellowish-gray siltstone and scattered carbonate concretions

Size class: macrofossils

Collected by K.O. Rostovtsev; V.V. Mitta in 1966; 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 186492: authorized by Matthew Clapham, entered by Matthew Clapham on 22.06.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Stephanoceratidae
Keppleritiana rostovtsevi n. gen. n. sp. Mitta 2017 ammonite
 Ammonitida - Parkinsoniidae
Strenoceras niortense d'Orbigny 1846 ammonite
 Phylloceratida - Phylloceratidae
Holcophylloceras sp. Spath 1927 ammonite