Zeravshan-Hissar mountain region, Chakylkalyanskogo Type, Verkhneargskaya Suite (Silurian to of Tajikistan)

Where: Tajikistan (39.0° N, 69.0° E: paleocoordinates 10.0° S, 74.8° E)

• coordinate estimated from map

• basin-level geographic resolution

When: Verkhneargskaya Formation, Pridoli to Pridoli (423.0 - 410.8 Ma)

• Downtonian-Gedinnian; The Verkhneargskaya Suite has a thickness of 300m.

• formation-level stratigraphic resolution

Environment/lithology: marine; limestone and shale

• limestone and clayey-siliceous shale

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 45839: authorized by Martin Aberhan, entered by Sabine N├╝rnberg on 09.12.2004, edited by Wolfgang Kiessling

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Crinoidea
  -
 Diplobathrida -
Rhodocrinites sp. Miller 1821 Sea lily
Rhynchonellata
 Athyridida - Retziidae
 Atrypida - Lissatrypidae
Anthozoa
 Favositida - Favositidae
 Cystiphyllida - Tryplasmatidae
"Rhabdacanthia rugosum" = Aphyllum horn coral
subsp. sogdianum
 Cystiphyllida - Holmophyllidae
 Cystiphyllida - Cystiphyllidae
"Lythophyllum sokolovi" = Cystiphylloides (Lythophyllum)
"Lythophyllum sokolovi" = Cystiphylloides (Lythophyllum) horn coral
 Stauriida - Ptenophyllidae
 Stauriida - Mucophyllidae
 Stauriida - Ketophyllidae
  -
Stromatoporoidea
  -
 Amphiporida - Amphiporidae
 Syringostromatida - Stachyoditidae
Stachyodes sp. Bargatzky 1881
 Stromatoporellida - Trupetostromatidae
 Clathrodictyida - Atelodictyidae
 Clathrodictyida - Gerronostromatidae