Algal Lens [Sinsk Fm] (Cambrian of Russian Federation)

Also known as Sinsk biota

Where: Yakutia, Russian Federation (61.1° N, 126.6° E: paleocoordinates 9.3° S, 13.0° W)

When: Bergeroniellus guararii trilobite zone, Sinsk Formation, Botomian (516.0 - 512.9 Ma)

• 0.5m thick black fine-grained carbonates and shale interbeds.

Environment/lithology: lime mudstone

Size class: macrofossils

Preservation: soft parts, original calcite, original phosphate, original carbon

Collection methods: quarrying, surface (float), surface (in situ),

Primary reference: A. Y. Ivantsov, A. Y. Zhuravlev, A. V. Leguta, V. A. Krassilov, L. M. Melnikova and G. T. Ushatinskaya. 2005. Palaeoecology of the Early Cambrian Sinsk biota from the Siberian Platform. Palaeogeography, Palaeoclimatology, Palaeoecology 220:69-88 [A. Lin/A. Lin]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 90438: authorized by Alex Lin, entered by Alex Lin on 21.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

 Sachitida -
Wiwaxia sp. Walcott 1911
Lingulata
 Acrotretida - Acrotretidae
Linnarssonia sp. Walcott 1885
 Lingulida - Botsfordiidae
Botsfordia sp. Matthew 1891
 Lingulida - Eoobolidae
Eoobolus sp. Matthew 1902
Kutorginata
 Kutorginida - Nisusiidae
? Nisusia sp. Walcott 1905
Artiopoda
 Agnostida - Hebediscidae
Delgadella sp. Walcott 1908
Trilobita
 Redlichiida - Ellipsocephalidae
Bergeroniaspis sp. Lermontova 1951 trilobite
Bergeroniellus sp. Lermontova 1940 trilobite
 Corynexochida - Edelsteinaspididae
Edelsteinaspis sp. Lermontova 1940 trilobite
 Corynexochida - Jakutidae
Jakutus sp. Lermontova 1951 trilobite
 Ptychopariida - Ptychopariidae
Binodaspis sp. Lermontova 1951 trilobite
Artiopoda
  -
Phytophilaspis sp. Ivantsov 1999
 Bradoriida -
Sinskolutella sp. Melnikova 1998
Yakutingella sp. Melnikova 1998
Bilateria
  -
Xenusia indet. Dzik and Krumbiegel 1989
Palaeoscolecida
  -
Palaeoscolecida indet. Conway-Morris and Robison 1986
Corallioscolex sp. Müller and Hintz-Schallreuter 1993
 Cricocosmida - Palaeoscolecidae
Palaeoscolex sp., "Palaeoscolex lubovae" = Wronascolex lubovae, "Palaeoscolex spinosus" = Wronascolex spinosus, Sahascolex labyrinthus
Palaeoscolex sp. Whittard 1953
"Palaeoscolex lubovae" = Wronascolex lubovae Ivantsov and Wrona 2004
"Palaeoscolex spinosus" = Wronascolex spinosus Ivantsov and Wrona 2004
Sahascolex labyrinthus Ivantsov and Wrona 2004
Microdictyon
  -
Microdictyon sp. Bengston et al. 1981
 Bilateria - Eldoniidae
Eldonia sp. Walcott 1911
Coeloscleritophora
 Chancelloriida - Chancelloriidae
Archiasterella sp. Sdzuy 1969
Hexactinellida
 Reticulosa - Protospongiidae
Diagoniella sp. Rauff 1894 glass sponge
Demospongea
  -
"Demospongea indet." = Demospongiae
"Demospongea indet." = Demospongiae Sollas 1875 demosponge
Demospongiae
 Protomonaxonida - Choiidae
Lenica sp. Goryanskiy 1977 demosponge
 Protomonaxonida - Wapkiidae
Wapkia sp. Walcott 1920 demosponge
Cambrorhytium
  -
Cambrorhytium sp. Conway Morris and Robison 1988