Geogiyevka [Bystrinskaya Suite, Argun Series] (Cambrian of Kazakhstan)

Where: Kazakhstan (43.1° N, 74.8° E: paleocoordinates 5.2° N, 101.9° E)

• coordinate based on political unit

• local area-level geographic resolution

When: Bystrinskaya Formation (Argun Group), Botomian (516.0 - 513.0 Ma)

• Comprises the Argun Series

Environment/lithology: marine; lithified limestone

• limestone

Primary reference: L. M. Mel''nikova. 1988. Some bradoriids (Crustacea) from the Botomian Stage of Eastern Kazakhstan. Paleontological Journal 22(1):113-116 [M. Patzkowsky/P. Borkow]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 10012: authorized by Mark Patzkowsky, entered by Phil Borkow on 07.02.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Archaeocyatha
 Ajacicyathida - Carinacyathidae
Carinacyathidae indet. n. gen. Krasnopeeva 1953 archaeocyath sponge
 Ajacicyathida - Ethmocyathidae
Baikalocyathus sp. archaeocyath sponge
 Ajacicyathida - Tumulifungiidae
Tumulifungia sp. Zhuraleva 1968 archaeocyath sponge
 Bradoriida -
Sunella parva n. sp.
2 well preserved shells and 8 valves
 Bradoriida - Bradoriidae
Bradoria sayutinae n. sp.
6 well preserved shells and many fragments
Trilobita
 Corynexochida - Dinesidae
Proerbia sp. Lermontova 1940 trilobite
 Redlichiida - Redlichiidae
Redlichia sp. Cossmann 1902 trilobite
 Redlichiida - Redlichinidae
Sajanaspis sp. Repina 1959 trilobite
Obolellata
 Obolellida - Obolellidae
 Pseudoconodontida -
Mongolitubulus squamifer Missarzhevsky 1977