Borehole Poshkos 75, Naujoji Akmené Suite (Permian of Lithuania)

Where: Lithuania (54.3° N, 25.6° E: paleocoordinates 21.9° N, 30.5° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Naujoji Akmené Formation, Wuchiapingian (259.9 - 254.2 Ma)

• Naujoji Akmené Suite (correlates with the german Zechsteinkalk), lower part of the Werra Horizon (P2wr); Material from depth: 199.4-204.8m

•assigned to the Wuchiapingian based on Clapham pers. commun.

• group of beds-level stratigraphic resolution

Environment/lithology: marl and limestone

• marl, limestone and dolomite

Size classes: macrofossils, mesofossils, microfossils

Preservation: cast, mold/impression

Collection methods: core

Primary reference: P. Suveizdis, K. V. Miklukho-Maklay, L. B. Ukharskaya, I. P. Morozova, N. V. Glushenko, V. K. Ivanov, and B. G. Podoba. 1975. Permskaya sistema Pribaltiki (fauna i stratigrafiya). Permian deposits of the Baltic region (stratigraphy and fauna). Lietuvos Geologijos Mokslinio Tyrimo Institutas, Trudy 29:305pp. [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 46203: authorized by Martin Aberhan, entered by Sabine Nürnberg on 07.01.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Ostracoda
 Myodocopida - Polycopidae
 Platycopida - Cavellinidae
 Podocopida - Microcheilinellidae
 Podocopida - Bairdiidae
 Podocopida - Acratiidae
Acratia sp. Delo 1930 ostracod
 Podocopida - Healdiidae
Bivalvia
 Ostreida - Pterineidae
Pseudobakewellia sedgwickiformis Suveizdis et al. 1975 oyster
 Cardiida - Kalenteridae
Stutchburia sp. Etheridge 1900 clam
Permophorus costatus Brown 1839 clam
Strophomenata
 Productida - Strophalosiidae
Dasyalosia goldfussi Münster 1839
 Productida - Productidae
Horridonia horrida Sowerby 1822
 Orthotetida - Schuchertellidae
Streptorhynchus pelargonatus von Schlotheim 1816
Rhynchonellata
 Spiriferinida - Spiriferellinidae
Spiriferellina cristata von Schlotheim 1816
 Rhynchonellida - Stenoscismatidae
 Spiriferida - Strophopleuridae
Pterospirifer alatus von Schlotheim 1813
 Spiriferida - Ambocoeliidae
 Terebratulida - Dielasmatidae
"Dielasma elongata" = Dielasma elongatum
"Dielasma elongata" = Dielasma elongatum von Schlotheim 1816
Stenolaemata
 Cryptostomata - Acanthocladiidae
Acanthocladia anceps Schlotheim 1820
Kalvariella typica Morozova 1970
 Cryptostomata - Fenestellidae
"Fenestella retiformis" = Rectifenestella retiformis
"Fenestella retiformis" = Rectifenestella retiformis von Schlotheim 1816