GGU Collection 225528, Gustav Holm Dal (Cambrian of Greenland)

Also known as In front of Hans Tavsen Iskappe

Where: Peary Land, Greenland (82.4° N, 39.8° W: paleocoordinates 18.4° S, 45.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Crepicephalus trilobite zone, Holm Dal Formation (Tavsens Iskappe Group), Marjumian (513.0 - 498.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: argillaceous mudstone

• Thin-bedded, argillaceous lime mudstones

Size class: macrofossils

Collection methods: GGU

Primary reference: J. S. Peel. 1988. Molluscs of the Holm Dal Formation (late Middle Cambrian), central North Greenland. Meddelelser om Grønland, Geosciences 20(11):145-168 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 49433: authorized by Pete Wagner, entered by Pete Wagner on 15.04.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Stenothecoida
 Cambridioida - Cambridiidae
Trilobita
 Ptychopariida - Menomoniidae
Bolaspidella stymacantha Robison 1988 trilobite
 Ptychopariida - Kingstoniidae
 Ptychopariida - Catillicephalidae
 Ptychopariida - Marjumiidae
 Ptychopariida - Lonchocephalidae
 Ptychopariida - Crepicephalidae
 Ptychopariida - Ptychopariidae
Conopolus granulus Robison 1968 trilobite
 Ptychopariida - Plethopeltidae
 Corynexochida - Dolichometopidae
Hemirhodon sp. Raymond 1937 trilobite
 Olenida - Cedariidae
 Olenida - Olenidae
Artiopoda
 Agnostida - Ammagnostidae
Proagnostus bulbus Butts 1926
 Agnostida - Spinagnostidae
 Agnostida - Diplagnostidae
Oidalagnostus trispinifer Westergard 1946
 Agnostida - Agnostidae
Kormagnostus seclusus Walcott 1884