340103. Sirius Passet (Cambrian of Greenland)

Also known as Sirius Passet Lagerstätte

Where: Peary Land, Greenland (82.8° N, 42.2° W: paleocoordinates 22.4° S, 49.6° W)

• coordinate stated in text

When: Nevadella trilobite zone, Lower Member (Buen Formation), Atdabanian (521.0 - 516.0 Ma)

• Trilobite zone is based on the presence of Buenellus higginsi.

Environment/lithology: open shallow subtidal; shale

Size class: macrofossils

Preservation: adpression, soft parts, recrystallized

Collection methods: surface (float)

• Almost 6000 fossiliferous slabs were selected during visits between 1985 and 2006.

Primary reference: S. Conway Morris and J. S. Peel. 2008. The earliest annelids: Lower Cambrian polychaetes from the Sirius Passet Lagerstätte, Peary Land, North Greenland. Acta Palaeontologica Polonica 53:137-148 [A. Lin/A. Lin]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 90574: authorized by Alex Lin, entered by Alex Lin on 07.08.2009, edited by Phil Novack-Gottshall and Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Kiisortoqia soperi n. gen. n. sp.8, Siricaris sp. n. gen.8
Kiisortoqia soperi n. gen. n. sp.8
Siricaris sp. n. gen.8
Apparently not yet formally named in a publication as of early 2024
 Life -
unclassified
  -
Porifera indet.6 Grant 1836
Demospongiae
 Protomonaxonida - Choiidae
Choia hindei5 Dawson 1896 demosponge
Kleptothule rasmusseni
  -
Kleptothule rasmusseni n. gen. n. sp.2
Kleptothule rasmusseni n. gen. n. sp.2 Budd 1995
Pauloterminus spinodorsalis
  -
Pauloterminus spinodorsalis n. gen. n. sp.9 Taylor 2002
Deuteropoda
 Isoxyida - Isoxyidae
Isoxys volucris n. sp.10
Isoxys volucris n. sp.10 Williams et al. 1996
originally entered as "Isoxys volueris"
 Radiodonta -
Kerygmachela kierkegaardi n. gen. n. sp.5
Kerygmachela kierkegaardi n. gen. n. sp.5 Budd 1993
Trilobita
 Redlichiida - Nevadiidae
Buenellus higginsi1 Blaker 1988 trilobite
500+
Artiopoda
 Nektaspidida -
Buenaspis forteyi4 Budd 1999
Hadranax augustus
  -
Hadranax augustus6 Budd and Peel 1998
Dinocaridida
  -
Pambdelurion whittingtoni n. gen. n. sp.3
Pambdelurion whittingtoni n. gen. n. sp.3 Budd 1997
Timorebestia koprii
  -
Timorebestia koprii n. gen. n. sp.8
Timorebestia koprii n. gen. n. sp.8 Park et al. 2024
Aculifera
  - Halkieriidae
Halkieria evangelista7 Conway Morris and Peel 1995
Polychaeta
  - Phragmochaetidae
Phragmochaeta canicularis Conway Morris and Peel 2008