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
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 | |
Modiolus "sp. nov." Lamarck 1801 mussel
? Lithophaga sp. Röding 1798 mussel | |
Streblochondria ex gr. ufaensis scallop | |
? Aviculopecten frederixi Lutkevitch and Lobanova 1960 scallop | |
"Aviculopecten mutabilis" = Etheripecten mutabilis
"Aviculopecten mutabilis" = Etheripecten mutabilis Licharew 1927 scallop | |
Parallelodon cf. bimodoliratus Dickins 1963 clam | |
"Palaeocosmomya "sp. nov."" = Cosmomya (Palaeocosmomya)
"Palaeocosmomya "sp. nov."" = Cosmomya (Palaeocosmomya) Fletcher 1946 clam | |
Permophorus oblongus Meek and Hayden 1872 clam | |
Myofossa subarbitrata, Praeundulomya urbajtisae, Sanguinolites lukjanovae, Undulomya "sp. nov.", "Dulunomya aff. abramovi" = Wilkingia
Myofossa subarbitrata Dickins 1963 clam
Sanguinolites lukjanovae Muromtseva 1984 clam
Undulomya "sp. nov." Fletcher 1946 clam
"Dulunomya aff. abramovi" = Wilkingia clam | |
Schizodus aff. tschernjaki Muromtseva 1974 clam | |
Palaeoneilo parenica Biakov 1998 clam | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
Strophomenata | |
"Costatumulus grandis" = Cancrinella grandis, Anidanthus kolymaensiformis
"Costatumulus grandis" = Cancrinella grandis Solomina 1981 | |
Bryozoa | |
Bryozoa indet. Ehrenberg 1831 |