Gorny Altai, Tekhten' Section, Vtorye Utyosy Fm. (Ordovician to of Russian Federation)

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
 Heliolitida - Plasmoporellidae
 Stauriida - Ptychophyllidae
Cyathactis sp. Soshkina 1955 horn coral
 Stauriida - Ditoecholasmatidae
Ditoecholasma indet. Simpson 1900 horn coral
 Stauriida - Lykophyllidae
Holophragma sp. Lindström 1896 horn coral
Trilobita
 Phacopida - Pterygometopidae
 Phacopida - Phacopidae
Strophomenata
 Strophomenida - Rafinesquinidae
"Leptaena cf. haverfordensis" = Leptaena (Leptaena) haverfordensis
"Leptaena cf. haverfordensis" = Leptaena (Leptaena) haverfordensis Bancroft 1949
Rhynchonellata
 Rhynchonellida - Trigonirhynchiidae
 Orthida - Dalmanellidae
"Isorthis prima" = Levenea llandoveriana
"Isorthis prima" = Levenea llandoveriana Williams 1951
 Atrypida - Atrypinidae
Eospirigerina sp. Schuchert and Cooper 1930
 Atrypida - Atrypidae
Pterobranchia
 Dendroidea - Acanthograptidae
Dictyonema sp. Hall 1851 graptolite
Callograptus sp. graptolite