Where: Mongolia (42.5° N, 104.3° E)
• Paleocoordinates: 34.8° N, 113.5° E (Wright 2013)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Tsagan-Ula Formation, Kungurian (279.3 - 272.3 Ma)
• 30 m thick
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Collection methods: peel or thin section,
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 116274: authorized by Matthew Clapham, entered by Matthew Clapham on 06.09.2011
Creative Commons license: CC0 (CC0)
Taxonomic list
Bivalvia | |
Cyrtorostra aff. laticostata Nechaev 1894 scallop | |
Cypricardinia permica Licharew 1931 clam | |
Rhynchonellata | |
Spiriferella keilhaviiformis Fredericks 1916
Alispiriferella lita Fredericks 1924 | |
"Stenoscisma timorense" = Bicamella timorensis
"Stenoscisma timorense" = Bicamella timorensis Hayasaka and Gan 1940 | |
Strophomenata | |
Orthotetes jugorica Ustritsky 1960 | |
Arctitreta kempei Andersson 1914 | |
Liosotella decimana Manankov 1991 | |
Kochiproductus saranaeanus Fredericks 1933
Yakovlevia mammatiformis Fredericks 1926 | |
Stenolaemata | |
Cyclotrypa admiranda Morozova 1991 | |
Dyscritella turbini Romantchuk 1970
Dyscritella fida Morozova 1991
Dyscritella praespinigera Romantchuk 1966 | |
Maychellina aliena Gorjunova and Morozova 1979 | |
Ramiporidra ramificata Morozova 1991 | |
"Polypora speciosa" = Parapolypora speciosa, Polyporella lyndoni
"Polypora speciosa" = Parapolypora speciosa Gorjunova and Morozova 1979
Polyporella lyndoni Phillips Ross 1963 | |
Permofenestella vera, Permofenestella simplex, Rectifenestella ornatiformis, Rectifenestella gilianshanensis, Rectifenestella originaria
Permofenestella simplex Morozova 1991
Rectifenestella ornatiformis Gorjunova 1975
Rectifenestella gilianshanensis Yang and Lu 1962
Rectifenestella originaria Morozova 1991 |