Where: Kazakhstan (50.4° N, 57.6° E: paleocoordinates 23.5° N, 49.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Aktasty Formation, Artinskian (290.1 - 279.3 Ma)

• Top of the Aktastinian.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by V.E. Ruzhentsev

Primary reference: V. E. Ruzhentsev. 1956. Nizhnepermskie ammonity yuzhnogo Urala II. Ammonity Artinskogo yarusa. Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 60:1-271 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 125116: authorized by Matthew Clapham, entered by Matthew Clapham on 04.03.2012

Creative Commons license: CC BY (attribution)