Where: Russian Federation (63.9° N, 159.8° E: paleocoordinates 57.9° N, 14.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Munugudzhak Formation, Sakmarian (293.5 - 290.1 Ma)
• 8 m thick. Jakutoproductus insignis-Merismopteria permiana zone
• group of beds-level stratigraphic resolution
Environment/lithology: coastal; lithified, fine-grained, gray, calcareous sandstone
Size class: macrofossils
Preservation: mold/impression
Primary reference: A. S. Biakov. 2005. New species of astartids and pholadomyids (Bivalvia) and beds with fauna from the Lower Permian of the Omolon Massif, northeastern Asia. Paleontological Journal 39(2):133-140 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 102160: authorized by Matthew Clapham, entered by Matthew Clapham on 10.01.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
| Cephalopoda | |
|
Bulunites sp. Andrianov 1985 ammonite | |
| Bivalvia | |
"Polidevcia cf. jamesi" = Phestia jamesi
"Polidevcia cf. jamesi" = Phestia jamesi Biakov 2002 clam | |
|
Schizodus cf. sandimanensis Dickins 1963 clam
Schizodus aff. tschernjaki Muromtseva 1974 clam | |
|
Oriocrassatella victori Biakov 2005 clam | |
|
Astartella cf. omolonica Muromtseva 1984 clam
Astartella cf. permocarbonica Tschernyschew 1885 clam | |
Myofossa subarbitrata, Undulomya folkensis1, "Wilkingia "sp. nov."" = Wilkingia, "Dulunomya aff. abramovi" = Wilkingia, Vacunella sp., Vacunella ex gr. curvata, Vacunella praecurvata
Myofossa subarbitrata Dickins 1963 clam
"Wilkingia "sp. nov."" = Wilkingia Wilson 1959 clam
"Dulunomya aff. abramovi" = Wilkingia clam
Vacunella sp. Waterhouse 1965 clam
Vacunella ex gr. curvata Morris 1845 clam
Vacunella praecurvata Astafieva-Urbajtis 1990 clam | |
"Palaeocosmomya omolonica" = Cosmomya (Palaeocosmomya)
"Palaeocosmomya omolonica" = Cosmomya (Palaeocosmomya) clam | |
Pyramus igori n. sp., Pyramus nelliae n. sp.
Pyramus igori n. sp. Biakov 2005 clam
Pyramus nelliae n. sp. Biakov 2005 clam | |
|
Permophorus oblongus Meek and Hayden 1872 clam | |
|
Merismopteria permiana oyster | |
|
Aviculopecten cf. occidentalis Shumard 1855 scallop | |
|
"? Vorkutopecten subclathratus" = Neptunopecten subclathratus Keyserling 1846 scallop | |
Streblopteria engelhardti, Streblopteria sp., Streblopteria parenensis2, Streblopteria ex gr. krasnoufimskensis, Streblochondria ex gr. ufaensis
Streblopteria engelhardti scallop
Streblopteria sp. McCoy 1851 scallop
Streblopteria parenensis2 Biakov 2023 scallop Likely some of previous Streblopteria occurrences, but not stated
Streblopteria ex gr. krasnoufimskensis Fredericks 1915 scallop
Streblochondria ex gr. ufaensis scallop | |
| Strophomenata | |
|
Jakutoproductus insignis Abramov and Grigorieva 1988 | |
"Striapustula koninckiana" = Cancrinella koninckiana, "Costatumulus grandis" = Cancrinella grandis
"Striapustula koninckiana" = Cancrinella koninckiana Keyserling 1846
"Costatumulus grandis" = Cancrinella grandis Solomina 1981 | |