Byrka River, Khabarovsk Range, Transbaikal (Permian of Russian Federation)

Where: Russian Federation (50.7° N, 118.4° E: paleocoordinates 39.9° N, 102.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Daratuiskiy Formation, Wordian (268.8 - 265.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: L. I. Popeko. 1978. Late Permian bryozoans of Transbaikal. Upper Paleozoic of Northeast Asia 51-61 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 95067: authorized by Matthew Clapham, entered by Matthew Clapham on 05.04.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Stenolaemata
 Cryptostomata - Acanthocladiidae
Polypora borsiensis n. sp. Popeko 1978
 Cryptostomata - Fenestellidae
Permofenestella colymaensis Nekhoroshev 1955
"Fenestella antiensis" = Spinofenestella antiensis Popeko 1978
 Trepostomida - Dyscritellidae
Dyscritella daurica Popeko 1978
 Trepostomida - Stenoporidae
 Trepostomida - Maychellinidae
"Maychella orientalis n. sp." = Maychellina orientalis
"Maychella orientalis n. sp." = Maychellina orientalis Popeko 1978