Outcrop 7, Fol'k Creek, Munugudzhak River, Omolon Basin (Permian of Russian Federation)

Where: Russian Federation (63.9° N, 159.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Munugudzhak Formation, Asselian (298.9 - 293.5 Ma)

• 5 m thick

• group of beds-level stratigraphic resolution

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

• Bluish gray on the freshly broken surface and reddish brown on the weathered surface, fine-grained, massive 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 102159: 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
Strophomenata
 Productida - Linoproductidae
"Costatumulus grandis" = Cancrinella grandis, Anidanthus kolymaensiformis
"Costatumulus grandis" = Cancrinella grandis Solomina 1981
 Productida - Productellidae
Verchojania expositus
Bryozoa
  -
Bryozoa indet.
Bryozoa indet. Ehrenberg 1831
Bivalvia
 Cardiida - Kalenteridae
Permophorus oblongus
Permophorus oblongus Meek and Hayden 1872 clam
 Pholadomyida - Pholadomyidae
"Palaeocosmomya "sp. nov."" = Cosmomya (Palaeocosmomya)
"Palaeocosmomya "sp. nov."" = Cosmomya (Palaeocosmomya) Fletcher 1946 clam
 Cardiidia - Sanguinolitidae
"Dulunomya aff. abramovi" = Wilkingia, Undulomya "sp. nov.", Myofossa subarbitrata, Praeundulomya urbajtisae, Sanguinolites lukjanovae
"Dulunomya aff. abramovi" = Wilkingia clam
Undulomya "sp. nov." Fletcher 1946 clam
Myofossa subarbitrata Dickins 1963 clam
Sanguinolites lukjanovae Muromtseva 1984 clam
 Trigoniida - Schizodidae
Schizodus aff. tschernjaki
Schizodus aff. tschernjaki Muromtseva 1974 clam
 Arcida - Parallelodontidae
Parallelodon cf. bimodoliratus
 Pectinida - Aviculopectinidae
? Aviculopecten frederixi
? Aviculopecten frederixi Lutkevitch and Lobanova 1960 scallop
 Pectinida - Heteropectinidae
"Aviculopecten mutabilis" = Kolymopecten mutabilis
"Aviculopecten mutabilis" = Kolymopecten mutabilis Licharew 1927 scallop
 Pectinida - Streblochondriidae
Streblochondria ex gr. ufaensis
 Mytilida - Mytilidae
? Lithophaga sp., Modiolus "sp. nov."
? Lithophaga sp. Röding 1798 mussel
Modiolus "sp. nov." Lamarck 1801 horsemussel
 Nuculanida - Malletiidae
Palaeoneilo parenica
Palaeoneilo parenica Biakov 1998 clam
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily