Dolnapa Section Bed 4 (upper part) (Triassic of Kazakhstan)

Where: Kazakhstan (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 (251.2 - 247.2 Ma)

• Kiparisovites carinatus-Tirolites cassianus Zone

Environment/lithology: marine; gray, green, calcareous mudstone and fine-grained sandstone

• Greenish-grey mudstone with thin interlayers (5-6 cm)

•of fine-grained sandstone and calcareous boulders

•about 30 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/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 72419: authorized by Alistair McGowan, entered by Alistair McGowan on 04.06.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Nuculanida - Nuculanidae
"Leda sp." = Nuculana
"Leda sp." = Nuculana Link 1807 pointed nut clam
 Trigoniida - Myophoriidae
"Neoschizodus cf. laevigata" = Neoschizodus laevigatus
"Neoschizodus cf. laevigata" = Neoschizodus laevigatus Ziethen 1830 clam
Cephalopoda
 Ceratitida - Tirolitidae
Tirolites longilobatus, Tirolites cassianus, Tirolites rossicus
Tirolites longilobatus Shevyrev 1968 ceratite
Tirolites cassianus Quenstedt 1845 ceratite
Tirolites rossicus Kiparisova 1947 ceratite
 Ceratitida - Hedenstroemiidae
Pseudosageceras sp.
Pseudosageceras sp. Diener 1895 ceratite
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail