Aktasty River, Aktyubinsk Region (Permian of Kazakhstan)

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: Artinskian (290.1 - 279.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; siliciclastic sediments

Size class: macrofossils

Primary reference: V. N. Shimanskiy. 1963. Systematic position and scope of Xenoconchia. Paleontological Journal 1963(4):53-63 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 81399: authorized by Matthew Clapham, entered by Matthew Clapham on 21.06.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Hyolithomorpha
 Toxeumorphorida - Toxeumorphoridae
Pseudotoxeuma digitulus n. sp. Shimanskiy 1963
Pseudotoxeuma magnificum Shimanskiy 1963
Toxeumorphora langi Shimansky 1962