R-1036, Ikryanka river (Permian of Russian Federation)

Where: Russian Federation (43.3° N, 133.4° E: paleocoordinates 30.4° N, 111.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pilnikov Formation, Kungurian (279.3 - 272.3 Ma)

• Age based on goniatite Epijuresanites pilnikovensis

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary, black siltstone

Size class: macrofossils

Preservation: original silica

Collection methods: Repository: Far East Geological Institute (DVGI), Russian Academy of Sciences

Primary reference: Y. D. Zakharov, A. V. Oleinikov, G. V. Kotlyar, V. I. Burago, V. S. Rudenko and E. A. Dorukhovskaya. 1999. First find of Early Permian goniatite in Southern Primorie. Geology of Pacific Ocean 14:805-816 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 225522: authorized by Matthew Clapham, entered by Matthew Clapham on 14.05.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

 Latentifistularia - Latentifistulidae
Latentifistulidae indet. Nazarov and Ormiston 1983
 Latentifistularia - Ruzhencevispongidae
Tormentum "sp. 1" Nazarov and Ormiston 1983
Tormentum "sp. 2" Nazarov and Ormiston 1983
? Tormentum sp. Nazarov and Ormiston 1983
Tormentum "sp. 3" Nazarov and Ormiston 1983
Tormentum "sp. 4" Nazarov and Ormiston 1983
 Entactinaria - Pylentonemidae
? Polyentactinia sp. Foreman 1963
 Entactinaria - Entactiniidae
"Entactinia sp." = Stigmosphaerostylus RĂ¼st 1892
? Copicyntra sp. Nazarov and Ormiston 1985
 Demospongiae -