PBDB Collection

Outcrop 11, Bed 2, Rulon Creek, Munugudzhak River, Omolon Basin (Permian of Russian Federation)

Where: Russian Federation (63.8° N, 159.9° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Munugudzhak Formation, Artinskian (290.1 - 283.3 Ma)

• 9 m thick. Jakutoproductus rugosus-Palaeocosmomya omolonica zone

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified, fine-grained, medium, gray, green, calcareous sandstone

• Gray and greenish-gray, fine- and medium-grained, medium- and thickly bedded, often calcareous and poorly sorted 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 102162: authorized by Matthew Clapham, entered by Matthew Clapham on 10.01.2011

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names

Bivalvia
Nuculanida - Malletiidae	Palaeoneilo sp. Palaeoneilo sp. Hall and Whitfield 1869 clam
Nuculanida - Polidevciidae	"Polidevcia cf. jamesi" = Phestia jamesi "Polidevcia cf. jamesi" = Phestia jamesi Biakov 2002 clam
Ostreida - Pterineidae	? Pteronites sp. ? Pteronites sp. McCoy 1842 oyster
Pectinida - Heteropectinidae	"? Vorkutopecten subclathratus" = Neptunopecten subclathratus, Kolymopecten praekolymaensis n. sp. "? Vorkutopecten subclathratus" = Neptunopecten subclathratus Keyserling 1846 scallop Kolymopecten praekolymaensis n. sp. Biakov 2024 scallop
Pectinida - Streblochondriidae	Streblopteria engelhardti, Streblopteria ex gr. krasnoufimskensis, Streblochondria ex gr. ufaensis Streblopteria engelhardti scallop Streblopteria ex gr. krasnoufimskensis Fredericks 1915 scallop Streblochondria ex gr. ufaensis scallop
Trigoniida - Schizodidae	Schizodus aff. jakovlevi, Schizodus "sp. juv.", Schizodus aff. tschernjaki Schizodus aff. jakovlevi clam Schizodus "sp. juv." King 1844 clam Schizodus aff. tschernjaki Muromtseva 1974 clam
Cardiidia - Sanguinolitidae	Praeundulomya urbajtisae, "Dulunomya aff. abramovi" = Wilkingia Praeundulomya urbajtisae clam "Dulunomya aff. abramovi" = Wilkingia clam
Pholadomyida - Edmondiidae	Edmondia cf. pricardi Edmondia cf. pricardi clam
Pholadomyida - Megadesmidae	Pyramus cf. nelliae Pyramus cf. nelliae Biakov 2005 clam
Pholadomyida - Pholadomyidae	"Palaeocosmomya omolonica" = Cosmomya (Palaeocosmomya) "Palaeocosmomya omolonica" = Cosmomya (Palaeocosmomya) clam
Modiomorphida - Cypricardiniidae	Cypricardinia orientalis, Cypricardinia cf. borealica Cypricardinia orientalis clam Cypricardinia cf. borealica Muromtseva 1984 clam
Cardiida - Kalenteridae	Permophorus oblongus Permophorus oblongus Meek and Hayden 1872 clam
Carditida - Astartidae	Astartella permocarbonica Astartella permocarbonica Tschernyschew 1885 clam
Strophomenata
Productida - Linoproductidae	Anidanthus burgaliensis Anidanthus burgaliensis
Productida - Productellidae	Jakutoproductus rugosus Jakutoproductus rugosus
Rhynchonellata
Spiriferida - Spiriferellidae	Spiriferella burgaliensis Spiriferella burgaliensis Zavodowsky 1968
Spiriferida - Trigonotretidae	Neospirifer fasciger, "Neospirifer aff. kedonensis" = Fusispirifer kedonensis Neospirifer fasciger Keyserling 1846 "Neospirifer aff. kedonensis" = Fusispirifer kedonensis Einor 1959
Stenolaemata
-	Stenolaemata indet. Stenolaemata indet. Borg 1926