Zeravshan-Hissar mountain region, Chakylkalyanskogo Type, Akbasayskaya Suite (2) (Devonian of Tajikistan)

Where: Tajikistan (39.0° N, 69.0° E: paleocoordinates 4.8° S, 73.4° E)

• coordinate estimated from map

• basin-level geographic resolution

When: Akbasayskaya Formation, Early/Lower Emsian (409.1 - 402.5 Ma)

• Lower Emsian; The Akbasayskaya Suite has a thickness of 400-450m. The listed fossils belong to the Farabophyllum intermedium zone.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; chert and limestone

• Jasper and limestone

Size classes: macrofossils, mesofossils, microfossils

Primary reference: A. I. Lavrusevich, V. I. Lavrusevich, and V. D. Saltovskaya. 1973. Daunton i nizhniy devon Zeravshano-Gissarskoy gornoy oblasti. The Downtonian and lower Devonian of the Zeravshan-Hissar mountain region. Sovetskaya Geologiya 12:10-25 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 45841: authorized by Martin Aberhan, entered by Sabine Nürnberg on 09.12.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Foraminifera
 Fusulinina - Parathuramminidae
  -
Crinoidea
 Cyathocrinida - Cupressocrinitidae
 Monobathrida - Hexacrinitidae
Tentaculita
 Nowakiida - Crassilinidae
 Nowakiida - Nowakiidae
 Styliolinida - Styliolinidae
Anthozoa
 Favositida - Favositidae
Favosites cf. placenta tabulate coral
Favosites aff. goldfussi Lecompte 1939 tabulate coral
 Stauriida - Mucophyllidae
 Stauriida - Phillipsastreidae
 Stauriida - Laccophyllidae
Syringaxon sp. Lindström 1882 horn coral
 Cystiphyllida - Tryplasmatidae
Hormogoneae
 Oscillatoriales - Girvanellaceae
Girvanella sp. Nicholson and Etheridge 1878