Gorny Altai, Malaya Uskuchevka Section, Khankhara Fm. (Ordovician of Russian Federation)

Where: Siberia, Russian Federation (51.3° N, 82.8° E)

• Paleocoordinates: 11.6° N, 24.2° W (Wright 2013)

• coordinate estimated from map

When: Khankhara Formation, Sandbian (458.4 - 453.0 Ma)

Environment/lithology: open shallow subtidal; gray mudstone and gray, yellow siltstone

• and sandstone: greenish-gray, highly calcareous, fine

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 206162: authorized by Björn Kröger, entered by Björn Kröger on 01.11.2019

Creative Commons license: CC0 (CC0)

Taxonomic list

unclassified
  -
Trilobita
 Phacopida - Pterygometopidae
Calyptaulax sp. Cooper 1930 trilobite
Sceptaspis sp. Ludvigsen and Chatterton 1982 trilobite
 Corynexochida - Illaenidae
Stenopareia sp. Holm 1886 trilobite
Thaleops sp. Conrad 1843 trilobite
 Asaphida - Remopleurididae
Rhynchonellata
 Orthida - Plectorthidae
Plectorthis altaicus Severgina 1967
 Orthida - Hesperorthidae
 Atrypida - Atrypidae
Plectatrypa sp. Schuchert and Cooper 1930
 Rhynchonellida -
Strophomenata
 Strophomenida - Leptellinidae
Leptellina tennesseensis Ulrich and Cooper 1936
Apatomorpha altaica Severgina 1960
 Strophomenida - Bimuriidae
Pterobranchia
 Graptoloidea - Dicranograptidae
"Leptograptus sp." = Dicellograptus
"Leptograptus sp." = Dicellograptus Hopkinson 1871 graptolite
 Graptoloidea - Abrograptidae
Reteograptus geinitzianus Hall 1859 graptolite
Reteograptus geinitzianus tenuis