AB08 (Ordovician of Greenland)

Where: Greenland (74.1° N, 23.0° W: paleocoordinates 13.8° S, 30.5° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Pteracontiodus cryptodens conodont zone, Middle Member (Narwhale Sound Formation), Rangerian (470.0 - 470.3 Ma)

• member-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; wackestone

• The second subunit is 160m thick and is composed of interbeds of mainly wackestone-grainstone together with stromatoporoid patch reefs representing a shallow open-shelf depositional environment.

Size class: macrofossils

Preservation: replaced with silica

Collection methods: MGUH Specimens

Primary reference: D. M. Rohr, D. A. T. Harper, S. Stouge and J. L. Christiansen. 2015. Ordovician Gastropoda from Northeast Greenland. Bulletin of Geosciences 90(4):795-805 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 174316: authorized by Pete Wagner, entered by Pete Wagner on 09.11.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

• Gastropods only.
Show authors, comments, and common names
Gastropoda
 Murchisoniina - Eotomariidae
Turritoma aff. acrea
Turritoma aff. acrea Billings 1865 snail
 Murchisoniina - Lophospiridae
"Lophospira aff. perelegans" = Lophospira perangulata
"Lophospira aff. perelegans" = Lophospira perangulata Hall 1847 snail
 Murchisoniina - Straparollinidae
Straparollina "sp. indet."
Straparollina "sp. indet." Billings 1865 snail
 Euomphalina - Macluritidae
"Maclurites acuminatus" = Palliseria acuminata
"Maclurites acuminatus" = Palliseria acuminata Billings 1865 snail
 Euomphalina - Helicotomidae
Lophonema taneyensis, Boucotspira antelopensis
Lophonema taneyensis Cullison 1944 snail
Boucotspira antelopensis Rohr 1996 snail
 Euomphalina - Raphistomatidae
Ceratopea cf. unguis
Ceratopea cf. unguis Yochelson and Bridge 1957 snail