Paralledal Formation, (central) North Greenland (Cambrian of Greenland)

Also known as CGU 274907

Where: Greenland (82.6° N, 32.5° W: paleocoordinates 22.1° S, 47.4° W)

• outcrop-level geographic resolution

When: Paralleldal Formation, Toyonian (512.9 - 510.2 Ma)

• Franklinian Basin

• formation-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified, ooidal dolomite

• 140m of cliff-forming dolomites ranging in lithology from laminated nodular dolomites (lower third) to oolitic and bioclastic dolomites;thick dolomite breccias are conspicuous in the middle and upper parts.

Size classes: macrofossils, mesofossils

Preservation: trace, replaced with silica

Collection methods: mechanical,

• Material collected in 1980 by J. S. Peel and P. D. Lane during the North Greenland Project (1978-1980, 1984-1985).

Primary reference: L. Popov, L. E. Holmer, A. J. Rowell and J. S. Peel. 1997. Early Cambrian brachiopods from north Greenland. Palaeontology 40(2):337-354 [M. Patzkowsky/P. Borkow/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 8092: authorized by Mark Patzkowsky, entered by Phil Borkow on 19.06.2000, edited by Alex Lin

Creative Commons license: CC BY (attribution)

Taxonomic list

• The taxonomic list does not include possible archaeocyathids which were not identified but may be present in the formation.

•JA: abundances originally recorded as percentages, but given in text as specimen counts and therefore translated back into counts

Trilobita
  -
Perissopyge phenax Blaker et al. 1996 trilobite
MGUH 28927; MGUH 28928
Helcionelloida
 Helcionellida - Coreospiridae
Latouchella sp. Cobbold 1921
 Helcionellida - Yochelcionellidae
Yochelcionella sp. Runnegar and Pojeta 1974
Stenothecoida
 Cambridioida - Cambridiidae
Cambridium sp. HornĂ½ 1957
Chileata
 Chileida - Chileidae
Acareorthis profunda n. sp.
one shell, nine ventral and three dorsal
Kutorginata
 Kutorginida - Kutorginidae
aff. Agyrekia obtusa
three ventral and five dorsal
Kutorgina cingulata Billings 1861
74 ventral and 29 dorsal
Obolellata
 Naukatida -
Pelmanella borealis n. gen. n. sp.
Pelmanella borealis n. gen. n. sp.
three ventral and 14 dorsal
Salterella
  - Salterellidae
Salterella sp. Billings 1861