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

Where: Russian Federation (63.9° N, 159.8° E: paleocoordinates 55.6° N, 14.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Munugudzhak Formation, Asselian (298.9 - 295.5 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: CC BY (attribution)

Taxonomic list

Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Bivalvia
 Mytilida - Mytilidae
Modiolus "sp. nov." Lamarck 1801 mussel
? Lithophaga sp. Röding 1798 mussel
 Pectinida - Streblochondriidae
 Pectinida - Aviculopectinidae
? Aviculopecten frederixi Lutkevitch and Lobanova 1960 scallop
 Pectinida - Heteropectinidae
"Aviculopecten mutabilis" = Etheripecten mutabilis
"Aviculopecten mutabilis" = Etheripecten mutabilis Licharew 1927 scallop
 Arcida - Parallelodontidae
 Pholadomyida - Pholadomyidae
"Palaeocosmomya "sp. nov."" = Cosmomya (Palaeocosmomya)
"Palaeocosmomya "sp. nov."" = Cosmomya (Palaeocosmomya) Fletcher 1946 clam
 Cardiida - Kalenteridae
Permophorus oblongus Meek and Hayden 1872 clam
 Cardiidia - Sanguinolitidae
Myofossa subarbitrata Dickins 1963 clam
Sanguinolites lukjanovae Muromtseva 1984 clam
Undulomya "sp. nov." Fletcher 1946 clam
"Dulunomya aff. abramovi" = Wilkingia clam
 Trigoniida - Schizodidae
Schizodus aff. tschernjaki Muromtseva 1974 clam
 Nuculanida - Malletiidae
Palaeoneilo parenica Biakov 1998 clam
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Strophomenata
 Productida - Linoproductidae
"Costatumulus grandis" = Cancrinella grandis Solomina 1981
 Productida - Productellidae
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831