Khovsgol Somon, Unit 2 (Permian of Mongolia)

Where: Mongolia (43.6° N, 109.9° E: paleocoordinates 35.0° N, 89.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Khovsgol Formation, Artinskian (290.1 - 279.3 Ma)

• 52 m thick

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Primary reference: E. E. Pavlova, I. N. Manankov, I. P. Morozova, M. N. Solovjeva, O. D. Suetenko and M. F. Bogoslovskaya. 1991. Permian Invertebrates of Southern Mongolia 1-173 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 116247: authorized by Matthew Clapham, entered by Matthew Clapham on 06.09.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Nodosariata
 Nodosariida - Nodosariidae
Frondicularia sp. Defrance 1824
Tubothalamea
 Miliolida - Cornuspiridae
Cornuspira sp. Schultze 1854
Anthozoa
 Stauriida - Hapsiphyllidae
Euryphyllum reidi Hill 1938 horn coral
Bivalvia
 Cardiidia - Sanguinolitidae
Myofossa subarbitrata Dickins 1963 clam
 Pholadomyida - Edmondiidae
Edmondia sp. de Koninck 1841 clam
 Pectinida - Aviculopectinidae
 Pectinida - Heteropectinidae
"Aviculopecten hiemalis" = Etheripecten hiemalis, "Vorkutopecten cf. subclathratus" = Neptunopecten subclathratus
"Aviculopecten hiemalis" = Etheripecten hiemalis Salter 1865 scallop
"Vorkutopecten cf. subclathratus" = Neptunopecten subclathratus Keyserling 1846 scallop
Strophomenata
 Productida - Monticuliferidae
"Helenaeproductus khubsugulensis n. gen." = Magniplicatina khubsugulensis, "Cancrinella pseudotruncata" = Liaozhuotingia pseudotruncata
"Helenaeproductus khubsugulensis n. gen." = Magniplicatina khubsugulensis Lazarev 1991
"Cancrinella pseudotruncata" = Liaozhuotingia pseudotruncata Ustritsky 1960
 Productida - Linoproductidae
Megousia aagardi Toula 1875
Cancrinella koninckiana Keyserling 1846
Cancrinella cancriniformis Tschernyschew 1889
 Productida - Productellidae
Paramarginifera nativa Manankov 1991
 Strophomenida - Rugosochonetidae
Dyoros semicircularis n. sp. Afanasjeva 1991
Rhynchonellata
 Spiriferinida - Syringothyrididae
"Primorewia reshetnikovi" = Primorewia reshetnikov
"Primorewia reshetnikovi" = Primorewia reshetnikov Licharew and Kotlyar 1978
 Spiriferida - Spiriferellidae
Spiriferella ovata Lee and Gu 1976
 Spiriferida - Trigonotretidae
"Neospirifer koargychanensis" = Crassispirifer koargychanensis
"Neospirifer koargychanensis" = Crassispirifer koargychanensis Zavodowsky 1970
 Athyridida - Athyrididae
 Rhynchonellida - Stenoscismatidae
Stenoscisma biplicatum Stuckenberg 1898
Callaiapsida lazarevi Pavlova 1991
Lingulata
 Lingulida - Discinidae
Orbiculoidea sp. d'Orbigny 1847