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

Show authors, comments, and common names
unclassified
  -
Carinata symatica
Anthozoa
 Favositida - Favositidae
Favosites nitidus, Favosites regularissimus
Favosites nitidus tabulate coral
Favosites regularissimus tabulate coral
 Favositida - Oculiporidae
Oculipora multiplexa
Oculipora multiplexa tabulate coral
 Heliolitida - Pseudoplasmoporidae
Pachyhelioplasma kettnerovae
 Stauriida - Phillipsastreidae
Farabophyllum farabicum
Conodonta
 Ozarkodinida - Polygnathidae
Polygnathus pannonicus, Polygnathus pireneae, Polygnathus kitabicus, Polygnathus sokolovi, Polygnathus hindei, Polygnathus tamara
 Prioniodontida - Icriodontidae
Pedavis mariannae
  -
Pandorinella miae
Pterobranchia
 Graptoloidea - Monograptidae
Monograptus criagensis, Monograptus pacificus, Monograptus aequabilis, Monograptus ex gr. yukonensis
Monograptus ex gr. yukonensis Lenz and Jackson 1963 graptolite
Strophomenata
 Strophomenida - Chonetidae
Devonochonetes zeravschanicus
 Strophomenida - Anopliidae
Plicanoplia (Plicanoplia) aff. carlsi
 Strophomenida - Strophodontidae
Gorgostrophia gorgo
Tentaculita
 Dacryoconarida -
Dacryoconarida indet.
 Nowakiida - Nowakiidae
Viriatellina "sp. A", Viriatellina "sp. B", Nowakia "n. sp. A", Nowakia "n. sp. B", Nowakia arcuaria
Viriatellina "sp. B" Boucek 1964
Nowakia "n. sp. A" Gurich 1896
Nowakia "n. sp. B" Gurich 1896