Plakhinskiy Island, unit 2 (Cambrian of Russian Federation)

Where: Krasnoyarsk, Russian Federation (67.8° N, 86.5° E: paleocoordinates 28.1° S, 2.4° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Sukharikha Formation, Nemakit-Daldynian (541.0 - 530.0 Ma)

• upper Sukharikha Formation, Upper Nemakit-Daldynian-Tommotian?

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

Size class: macrofossils

Primary reference: V. V. Missarzhevsky. 1989. Oldest skeletal fossils of late Precambrian and early Cambrian age: a review of recent work. Trudy Geologicheskogo Instituta AN SSSR 443:1-231 [P. Wagner/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 99473: authorized by Wolfgang Kiessling, entered by Uta Merkel on 12.11.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Scyphozoa
 Anabaritida - Anabaritidae
Tiksitheca sp. Rozanov et al. 1969 jellyfish
Anabarites signatus Missarzhevsky and Mambetov 1981 jellyfish
Cambrotubulus decurvatus Rozanov et al. 1969 jellyfish
Purella antiqua
  - Maikhanellidae
Purella antiqua KiƦr 1916
Purella cristata
  - Maikhanellidae
Purella cristata Missarzhevsky 1974
Helcionelloida
 Pelagiellida - Aldanellidae
Aldanella crassa Rozanov et al. 1969
 Helcionellida - Helcionellidae
Securiconus ex gr. simus Luo et al. 1982
Bemella sp. Rozanov et al. 1969
Orthothecimorpha
 Circothecida -