Zinzil'ban Gorge Pragian/Emsian boundary stratotype, Emsian part (Devonian of Uzbekistan)

Where: Uzbekistan (39.2° N, 67.3° E: paleocoordinates 5.9° S, 72.6° E)

• coordinate stated in text

• outcrop-level geographic resolution

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

• Pragian/Emsian boundary at base of Bed 9/5. Pragian part is beds 2 to 9/4, kindlei and pireneae zones, Khukar Horizon, Kushnovian Suprahorizon, Madmon Formation. Emsian part is beds 9/5 to 26, kitabicus Zone, Zinzilban Horizon, Kitabian Suprahorizon, Khodzha Khurgan Formation.

• formation-level stratigraphic resolution

Environment/lithology: marine; lime mudstone

• "in relatively uniform sequence of dark micritic limestones characterized by lack of significant abrupt faunal change such as would support the view that major diastems are not present...association of benthic and pelagic facies...

Primary reference: E. A. Yolkin, A. I. Kim, K. Weddige, J. A. Talent, and M. R. House. 2000. The basal Emsian GSSP in Zinzil'ban Gorge, Uzbekistan. Courier Forschungs-Institut Senckenberg 225:17-25 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 38673: authorized by Michael Foote, entered by Michael Foote on 28.04.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Dacryoconarida -
 Nowakiida - Nowakiidae
 Conodontophorida -
 Ozarkodinida - Polygnathidae
 Bireclinata - Monograptidae
 Productida - Anopliidae
 Productida - Chonetidae
 Strophomenida - Strophodontidae
 Favositida - Favositidae
Favosites nitidus tabulate coral
Favosites regularissimus tabulate coral
 Favositida - Alveolitidae
Oculipora multiplexa tabulate coral
 Heliolitida - Pseudoplasmoporidae
 Stauriida - Phillipsastreidae