Where: Siberia, Russian Federation (61.7° N, 156.5° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Kalyan Formation, Hettangian (201.3 - 199.3 Ma)

• viligense Zone

• group of beds-level stratigraphic resolution

Environment/lithology: marine

Size class: macrofossils

Collection methods: Material based on own collection and on that colected by T.I. Kirina and I. V. Polubotko.

•The material is housed in the museum of the All-Russia Oil Geological Exploration Research Institute, St. Petersburg (VNIGRI), coll. no. 837 and in the monographic collection department of the Central Siberian Geological Museum (TsSGM), Novosibirsk, coll. no. 580.

Primary reference: Y.u. S. Repin, S. V. Meledina, and S. N. Alexeev. 1998. Phylloceratids (Ammnonoidea) from the Lower Jurassic of Northeastern Asia. Paleontological Journal 32(5):461-473 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 50228: authorized by Martin Aberhan, entered by Sabine Nürnberg on 11.05.2005

Creative Commons license: CC0 (CC0)