Zeravshan-Hissar mountain region, Chakylkalyanskogo Type, Akbasayskaya Suite (1) (Devonian of Tajikistan)

Where: Tajikistan (39.0° N, 69.0° E: paleocoordinates 9.1° S, 74.7° E)

• coordinate estimated from map

• basin-level geographic resolution

When: Neomphyma originata zone, Turkparida Formation, Lochkovian (419.2 - 410.8 Ma)

• Siegenian; The Akbasayskaya Suite has a thickness of 400-450m. The listed fossils belong to the Neomphyma originata zone. PJW: This would now be the Turkparida formation. Also, this was Pragian, but Neomphyma originata zone is Lockhovian.

• 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 45840: authorized by Martin Aberhan, entered by Sabine Nürnberg on 09.12.2004, edited by Wolfgang Kiessling

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Parathuramina cf. borealis, Parathuramina cf. graciosa, Zagoria cf. tabulata
Anthozoa
 Heliolitida - Heliolitidae
Pachycanalicula sp.
Pachycanalicula sp. Wentzel 1895 tabulate coral
 Favositida - Favositidae
Squameofavosites hyperboreus, Favosites alpina, Favosites aff. clarus, Favosites nikiforovae, Pachyfavosites cf. kozlowskii, Pachyfavosites cf. polymorphus
Favosites alpina tabulate coral
Favosites aff. clarus tabulate coral
Favosites nikiforovae tabulate coral
 Favositida - Alveolitidae
Caliapora sp.
Caliapora sp. Schlüter 1889 tabulate coral
 Stauriida - Ptenophyllidae
Neomphyma cf. originata
 Stauriida - Laccophyllidae
Syringaxon sp., Barrandeophyllum sp.
Syringaxon sp. Lindström 1882 horn coral
Barrandeophyllum sp. Pocta 1902 horn coral
 Cystiphyllida - Cystiphyllidae
Lythophyllum sokolovi
 Cystiphyllida - Tryplasmatidae
Tryplasma aff. asiaticum, "Rhabdacanthia rugosum" = Aphyllum
"Rhabdacanthia rugosum" = Aphyllum horn coral
subsp. sogdianum
Rhynchonellata
 Atrypida - Lissatrypidae
Lissatrypa sp.
Lissatrypa sp. Twenhofel 1914
Tentaculita
 Homoctenida - Paranowakiidae
Paranowakia aff. scalaris, Paranowakia obuti
 Nowakiida - Nowakiidae
Turkestanella sp.
Turkestanella sp. Klishevich 1968
Renalcis
  - Chabakoviacea
Renalcis sp.
Renalcis sp. Vologdin 1932