Borehole Kalvarija 16, Naujoji Akmené Suite (Permian of Lithuania)

Where: Lithuania (54.4° N, 23.3° E: paleocoordinates 21.4° N, 29.1° 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: 610.3-667.4m

•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, microfossils

Preservation: cast

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 46189: authorized by Martin Aberhan, entered by Sabine Nürnberg on 07.01.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Pterineidae
Strophomenata
 Productida - Productidae
Horridonia horrida Sowerby 1822
Stenolaemata
 Cryptostomata - Fenestellidae
"Fenestella retiformis" = Rectifenestella retiformis
"Fenestella retiformis" = Rectifenestella retiformis von Schlotheim 1816
 Cryptostomata - Acanthocladiidae
Kalvariella typica Morozova 1970
Acanthocladia anceps Schlotheim 1820
Acanthocladia laxa Korn 1930
 Trepostomida - Dyscritellidae
Dyscritella tenuimuralis n. sp. Morozova 1970
Dyscritella tubulosa Morozova 1970
 Trepostomida - Stenoporidae
Stenopora armata n. sp. Morozova 1970