Ogbin, Bed 9 (Permian of Armenia)

Where: Armenia (39.5° N, 45.4° E: paleocoordinates 2.6° S, 39.7° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Vedioceras ventrosulcatum ammonoid zone, Akhura Formation, Wuchiapingian (259.9 - 254.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: microfossils

Primary reference: G. V. Kotlyar, Y. D. Zakharov, G. S. Koczyrkrevicz, G. S. Kropacheva, K. O. Rostovcev, I. O. Chedija, G. P. Vuks and E. A. Guseva. 1983. Evolution of the latest Permian biota: Dzhulfian and Dorashamian regional stages in the USSR 1-200 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 110749: authorized by Matthew Clapham, entered by Matthew Clapham on 12.06.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Productida - Lyttoniidae
"Leptodus nobilis" = Leptodus nobilis, "Gubleria armenica" = Leptodus nobilis
"Leptodus nobilis" = Leptodus nobilis Waagen 1883
"Gubleria armenica" = Leptodus nobilis Waagen 1883
 Productida - Paucispiniferidae
 Productida -
 Productida - Productellidae
Dorashamia abichi Sarycheva 1965
 Productida - Productidae
 Productida - Monticuliferidae
"Haydenella kiangsiensis" = Haydenella kiangsiensis, "Haydenella tumida" = Haydenella kiangsiensis, Haydenella minuta
"Haydenella kiangsiensis" = Haydenella kiangsiensis Kayser 1883
"Haydenella tumida" = Haydenella kiangsiensis Kayser 1883
Haydenella minuta Sarycheva 1965
Rhynchonellata
 Athyridida - Athyrididae
"Araxathyris araxensis" = Transcaucasathyris araxensis, "Araxathyris minor" = Transcaucasathyris minor
"Araxathyris araxensis" = Transcaucasathyris araxensis Grunt 1965
"Araxathyris minor" = Transcaucasathyris minor Grunt 1965
 Rhynchonellida - Psilocamaridae
"Stenoscisma armenica" = Hybostenoscisma armenica
"Stenoscisma armenica" = Hybostenoscisma armenica Sokolskaja 1965
 Rhynchonellida - Wellerellidae
Wellerella "sp. 1" Dunbar and Condra 1932
 Rhynchonellida - Pontisiidae
"Wellerella dorashamensis" = Prelissorhynchia dorashamensis
"Wellerella dorashamensis" = Prelissorhynchia dorashamensis Sokolskaja 1965
 Terebratulida - Notothyrididae
Gefonia improvisa n. sp. Koczyrkevicz 1983
Cephalopoda
 Ceratitida - Araxoceratidae
Vedioceras umbonovarum Ruzhencev 1962 ceratite
Avushoceras jakowlewi Ruzhencev 1962 ceratite
 Pseudorthocerida - Pseudorthoceratidae