GGU 314806 - Albert Heim Bjerge (Cambrian of Greenland)

Where: Greenland (74.1° N, 23.0° W: paleocoordinates 30.8° S, 48.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Bastion Formation, Dyeran (515.3 - 511.2 Ma)

• SPECIFIC COMMENTS: Collection is from the limestone unit, stratigraphically midway up the Bastion Formation. Same stratigraphic height as GGU 31805-7 and GGU 31835

•GENERAL COMMENTS: The Kloftelv Formation is overlain by the fossiliferous Bastion and Ella Island foramtions, both of middle Dyerian age (late Early Camrbian, equivalent of the Botomian). The Bastion Formation is 150 m thick at Athe Albert Heim Bjerge locality is mainly galuconite-rich sandstone and siltstone in the lower part and shale with minor carbonate in its upper part.

• bed-level stratigraphic resolution

Environment/lithology: limestone

• The Bastion and Ella Island Formations from part of a thick succession of shallow-marine Proterozoic-Ordovician sediments deposited on the Laurentian shelf.
• Limestone.

Size class: macrofossils

Collection methods: bulk, chemical, acetic, sieve,

• Rock samples were dissolve in buffered 10 percent acetic acid to retrieve acid-resistent microfossils. The resulting residues were sieved and the heavy mineral fraction separated using sodium polytungstate. All specimens are housed in the Geological Museum in Copenhagen (MGUH)

Primary reference: C. B. Skovsted and L.E. Holmer. 2005. Early Cambrian brachiopods from north-east Greenland. Palaeontology 48(2):325-345 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 49459: authorized by Austin Hendy, entered by Austin Hendy on 16.04.2005, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• Exhaustive for Brachiopoda. The residues of the acid-digested samples contain a well-preserved and diverse small shelly fauna including helcionellid molluscs, coelosclerites, lapworthellids, and problematic fossils. Add Gubanov et al. press and Skovsted in press (at the time of April, 2005) for complete fauna - references in current reference.
 Agnostida - Calodiscidae
Calodiscus lobatus3 Hall 1847
 Bradoriida - Hipponicharionidae
Albrunnicola sp.3 Martinsson 1979
 Bradoriida - Indianidae
Indiana secunda3 Matthew 1895
 Bradoriida - Svealutidae
Liangshanella sayutinae3 Melnikova 1988
  - Halkieriidae
Ocruranus sp.2 Liu 1979
 Helcionellida - Rugaeconidae
 Helcionellida - Helcionellidae
"Mackinnonia taconica" = Davidonia taconica3
"Mackinnonia taconica" = Davidonia taconica3 Landing and Bartowski 1996
 Pelagiellida - Pelagiellidae
  - Mickwitziidae
Setatella significans4 Skovsted et al. 2010
 Lingulida - Botsfordiidae
 Hyolithida -
Hyolithida indet.3 Mathew 1962
 Orthothecida - Circothecidae
Conotheca australiensis1 Bengtson et al. 1990
 Chancelloriida - Chancelloriidae
Chancelloriidae indet.3 Walcott 1920
 Hyolithelminthida - Hyolithellidae
Hyolithellus micans3 Billings 1871