Zeravshan-Hissar mountain region, Obisafitskogo Type, Obi-Khundy Area (Devonian of Tajikistan)

Where: Tajikistan (39.0° N, 69.0° E: paleocoordinates 1.2° S, 71.5° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Late/Upper Emsian (402.5 - 391.9 Ma)

• Upper Emsian; In the Obi-Khundy Area this 150m thick siliceous (jaspe) layer mingles with the Nizhnemagianskaya Suite.

Environment/lithology: marine; siliciclastic sediments 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 45825: authorized by Martin Aberhan, entered by Sabine Nürnberg on 07.12.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Foraminifera
 Fusulinina - Parathuramminidae
 Fusulinina - Caligellidae
Epiphyton
  - Ludloviaceae
Stromatoporoidea
 Stromatoporellida - Trupetostromatidae
Hermatostroma ex gr. cumpani stromatoporoid sponge
 Stromatoporellida - Idiostromatidae
Idiostroma aff. colymensis stromatoporoid sponge
 Amphiporida - Amphiporidae
? Clathrodictyella ex gr. pulchra stromatoporoid sponge
Amphipora aff. karmakensis stromatoporoid sponge
Amphipora aff. alaiskensis stromatoporoid sponge
Amphipora spissa stromatoporoid sponge
Paramphipora ex gr. turkestanica stromatoporoid sponge
Paramphipora aff. dilucida stromatoporoid sponge
Paramphipora ex gr. rasilis stromatoporoid sponge
 Syringostromatida - Syringostromatidae
Parallelopora sp. Bargatzky 1881 stromatoporoid sponge
 Clathrodictyida - Gerronostromatidae
Gerronostroma ex gr. concentricum stromatoporoid sponge
Gerronostroma ex gr. dragunovi stromatoporoid sponge
Anthozoa
 Stauriida - Ptenophyllidae
 Cystiphyllida - Tryplasmatidae
 Favositida - Favositidae
Favosites goldfussi Lecompte 1939 tabulate coral
Pachyfavosites sp. Sokolov 1952 tabulate coral
 Favositida - Pachyporidae
Thamnopora sp. Steininger 1831 tabulate coral
 Favositida - Alveolitidae
Caliapora sp. Schlüter 1889 tabulate coral
Tentaculita
 Nowakiida - Nowakiidae
Turkestanella sp. Klishevich 1968
 Styliolinida - Styliolinidae
Crinoidea
 Monobathrida - Hexacrinitidae
Hexacrinites sp. Austin and Austin 1843 Sea lily
 Diplobathrida - Rhodocrinitidae
Rhodocrinites sp. Miller 1821 Sea lily
 Cyathocrinida - Cupressocrinitidae
Cupressocrinites sp. Goldfuss 1831 Sea lily