Where: Primorye, Russian Federation (42.9° N, 131.9° E: paleocoordinates 43.7° N, 110.0° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Schmidt Formation, Smithian (251.3 - 247.2 Ma)

• Lower Olenekian, Ayaxian Substage, Tirolites-Amphistephanites Zone, Tirolites ussuriensis beds, Schmidt Suite, Layer 8 (25m)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, green sandstone and lithified limestone

Size classes: macrofossils, microfossils

Primary reference: Y. D. Zakharov, A. M. Popov, and G. I. Buryi. 2004. Triassic Ammonoid succession in South Primorye: 2. Middle Olenekian Tirolites - Amphistephanites Zone. Albertiana 29:29-37 [W. Kiessling/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 47287: authorized by Wolfgang Kiessling, entered by Sabine Nürnberg on 22.02.2005

Creative Commons license: CC BY (attribution)