Udzhigingol River (Cambrian of Kazakhstan)

Where: Kazakhstan (50.2° N, 99.9° E: paleocoordinates 3.5° S, 3.0° E)

When: Tologoja subquadrata - Margodiscus rackovskii - Sajanaspis trilobite zone, Egiin Gol Formation, Atdabanian (521.0 - 516.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: black, silty limestone

• The horizon consists of limestone finely and medium-platy, black, fine-grained, in some places clayey with a flat surface layers

Size classes: macrofossils, mesofossils

Primary reference: M. N. Korobov. 1980. Biostratigrafiia i miomernye trilobity nizhnego kembriia Mongolii [Biostratigraphy and miomeroid trilobites from the Lower Cambrian of Mongolia]. Transactions of the Joint Soviet-Mongolian Sciences - Research Geology and Exploration 26:5-108 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 225092: authorized by Pete Wagner, entered by Pete Wagner on 25.04.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Artiopoda
 Agnostida - Calodiscidae
"Tologoja subquadrata n. gen. n. sp." = Sinodiscus subquadratus
"Tologoja subquadrata n. gen. n. sp." = Sinodiscus subquadratus Korobov 1980
 Agnostida - Hebediscidae
"Limbadiscus dilatum" = Limbadiscus dilata
"Limbadiscus dilatum" = Limbadiscus dilata Korobov 1980
 Agnostida - Yukoniidae
Egyngolia obtusa n. gen. n. sp., "Mongolodiscus zaicevi n. gen. n. sp." = Egyngolia zaicevi
Egyngolia obtusa n. gen. n. sp. Korobov 1980
"Mongolodiscus zaicevi n. gen. n. sp." = Egyngolia zaicevi Korobov 1980