Where: Siberia, Russian Federation (51.2° N, 84.8° E: paleocoordinates 21.0° N, 25.4° E)
• coordinate estimated from map
When: Vtorye Utyosy Formation, Hirnantian to Hirnantian (445.2 - 440.8 Ma)
Environment/lithology: open shallow subtidal; fine-grained, yellow sandstone and fine-grained siltstone
Size classes: macrofossils, mesofossils
Primary reference: N. V. Sennikov, O.T. Obut, E. V. Lykova, A. V. Timokhin, T. V. Gonta, R. A. Khabibulina, T. A. Shcherbanenko and T. P. Kipriyanova. 2019. Ordovician Sedimentary Basin and Paleobiotas of the Gorny Altai. 1-183 [B. Kröger/B. Kröger]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 205661: authorized by Björn Kröger, entered by Björn Kröger on 18.10.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Anthozoa | |
Plasmoporella convexotabulata tabulate coral | |
Cyathactis sp. Soshkina 1955 horn coral | |
Ditoecholasma indet. Simpson 1900 horn coral | |
Holophragma sp. Lindström 1896 horn coral | |
Trilobita | |
Podowrinella cf. striatonensis trilobite | |
Acernaspis (Eskaspis) xynon, Acernaspis (Eskaspis) superciliexcelsis, Acernaspis (Eskaspis) becsciensis
Acernaspis (Eskaspis) xynon Howells 1982 trilobite
Acernaspis (Eskaspis) superciliexcelsis Howells 1982 trilobite
Acernaspis (Eskaspis) becsciensis trilobite | |
Strophomenata | |
"Leptaena cf. haverfordensis" = Leptaena (Leptaena) haverfordensis
"Leptaena cf. haverfordensis" = Leptaena (Leptaena) haverfordensis Bancroft 1949 | |
Rhynchonellata | |
Lenatoechia sp. Nikiforova 1970 | |
"Isorthis prima" = Levenea llandoveriana
"Isorthis prima" = Levenea llandoveriana Williams 1951 | |
Eospirigerina sp. Schuchert and Cooper 1930 | |
Pterobranchia | |
Dictyonema sp. Hall 1851 graptolite
Callograptus sp. graptolite |