ammonites
Dolnapa Section Bed 1 (Triassic of Kazakstan)

Where: Kazakstan (44.4° N, 51.4° E: paleocoordinates 26.2° N, 49.0° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Tartalinskaya Formation, Olenekian (251.3 - 247.2 Ma)

• Kiparisovites carinatus-Tirolites cassianus Zone

Environment/lithology: marine; gray, green mudstone and brown, calcareous sandstone

• Intercalation of greenish-grey mudstone, siltstone,

•brown, fine-grained sandstone with calcareous interlayers

•(10-15 cm) at 1-2 m above the base of the member

•6 m.

Primary reference: Y. D. Zakharov and A. M. Popov. 2007. Examples of Late Olenekian invertebrate successions: Paper 1. Western Tethys (Dolnapa, Mangyshlak). Albertiana 35:46-51 [A. McGowan/A. McGowan] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 72323: authorized by Alistair McGowan, entered by Alistair McGowan on 01.06.2007