ammonites
Chekarda, Sylva River (PIN collection 118) (Permian of Russian Federation)

Where: Suksun, Russian Federation (57.0° N, 57.7° E: paleocoordinates 30.6° N, 45.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Koshelevka Formation, Kungurian (279.5 - 272.5 Ma)

• Late Kungurian

• group of beds-level stratigraphic resolution

Environment/lithology: deltaic; lithified siliciclastic sediments

• Alluvial to marine delta-fan environment, close to the sea, deposited under arid climate conditions

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by E. V. Permiakova in 1935-1936; reposited in the PIN

Primary reference: A. V. Martynov. 1940. Permian fossil insects from Chekarda. Trudy Paleontologicheskogo Instituta 11:1-63 [M. Clapham/J. Karr/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 116641: authorized by Matthew Clapham, entered by Jered Karr on 10.09.2011

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)