Bed 26 = 64/7, Nurashbasi Well (Devonian of Kazakhstan)

Where: Karagandinskaya Oblast, Kazakhstan (48.2° N, 76.9° E: paleocoordinates 0.2° S, 67.4° E)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Pribalkhash Formation, Gedinnine (416.0 - 412.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; tuffaceous sandstone

• tuffaceious sandstone

Size class: macrofossils

Preservation: cast

Collection methods: Palaeontological Institute, USSR.

Primary reference: D. M. Rohr, A.J. Boucot, and G.T. Ushatinskaya. 1979. Early Devonian gastropods from the north Pribalkhash region, central Kazakhstan, USSR. Journal of Paleontology 53(4):981-989 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 69187: authorized by Pete Wagner, entered by Pete Wagner on 20.02.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

 Murchisoniina - Loxonematidae
Stylonema cf. dilatata Spitz 1907 snail
Loxonema cf. praeteritum Longstaff 1909 snail
 Euomphalina - Euomphalidae
Poleumita sp. Clarke and Ruedemann 1903 snail
 Bellerophontida - Bucaniidae
Bucania sp. Hall 1847 snail
 Bellerophontida - Tropidodiscidae
Tropidodiscus sp. Meek and Worthen 1866 snail
Pharetrolites sp. Wenz 1938 snail
Pharetrolites vostokovae Rohr et al. 1979 snail