Aggersborg, northern Jameson Land, locality 4, subdemissum zone (Triassic of Greenland)

Where: Greenland (72.1° N, 23.9° W: paleocoordinates 29.5° N, 12.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Metophiceras subdemissum ammonoid zone, Wordie Creek Formation, Griesbachian (252.2 - 251.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deep-water; lithified siliciclastic sediments

Size class: macrofossils

Preservation: adpression

Primary reference: M. Bjerager, L. Seidler, L. Stemmerik and F. Surlyk. 2006. Ammonoid stratigraphy and sedimentary evolution across the Permian–Triassic boundary in East Greenland. Geological Magazine 143(5):635-656 [M. Clapham/M. Clapham]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 112740: authorized by Matthew Clapham, entered by Matthew Clapham on 16.07.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

 Lingulida - Lingulidae
"Lingula borealis" = Lingularia borealis
"Lingula borealis" = Lingularia borealis Bittner 1899
 Ceratitida - Xenodiscidae
 Ceratitida - Ophiceratidae
Ophiceras commune Spath 1930 ceratite
 Palaeonisciformes - Palaeoniscidae
Glaucolepis arctica Stensiö 1932
 Parasemionotiformes - Parasemionotidae