Fossildalen, Colesbukta area (NRM collection) (Paleocene of Svalbard and Jan Mayen)

Where: Svalbard and Jan Mayen (78.1° N, 14.5° E: paleocoordinates 72.7° N, 8.9° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Basilika Formation, Thanetian (59.2 - 56.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: prodelta; lithified limestone

• Prodelta to delta front
• Methane seep carbonates and associated driftwood

Size class: macrofossils

Collection methods: Repository: Swedish Museum of Natural History (Naturhistoriska Riksmuseet); Material described by Hägg (1925)

Primary reference: K. Hryniewicz, K. Amano, R. G. Jenkins and S. Kiel. 2017. Thyasirid bivalves from Cretaceous and Paleogene cold seeps. Acta Palaeontologica Polonica 62(4):705-728 [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 191306: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 22.01.2018, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Sorbeoconcha - Aporrhaidae
Aporrhais cf. gracilis
Aporrhais cf. gracilis Koenen 1885 snail
? Nassa sp. in Hägg, 1925
 Architaenioglossa - Ampullinidae
Globularia isfjordensis
Globularia isfjordensis Vonderbank 1970 snail
Natica sp. 1, 2, 3 in Hägg, 1925
Bivalvia
 Nuculanida - Yoldiidae
Yoldiella spitsbergensis
Yoldiella spitsbergensis Amano 2019 clam
Nuculana sp. 1, 2 in Hägg, 1925
 Cardiida - Arcticidae
? Arctica sp.
? Arctica sp. Schumacher 1817 clam
Astarte sp. in Hägg, 1925
 Cardiida - Tellinidae
? Tellina sp.
? Tellina sp. Linnaeus 1758 tellin clam
Lamellibranchiata sp. 2 in Hägg, 1925
 Pholadida - Pleuromyidae
? Pleuromya sp.
? Pleuromya sp. Meek 1873 clam
Lamellibranchiata sp. 1 in Hägg, 1925
 Pholadida - Pholadidae
Xylophagella littlei
Xylophagella littlei Hryniewicz 2019 clam
Xylophaga sp. in Hägg, 1925
 Lucinida - Thyasiridae
Rhacothyas spitzbergensis, Conchocele conradii
Rhacothyas spitzbergensis Anderson 1970 clam
Lucina sp. in Hägg, 1925
Conchocele conradii Rosenkrantz 1942 clam
Thyasira bisecta in Hägg, 1925
Malacostraca
 Decapoda - Munididae
Valamunida haeggi
Valamunida haeggi Klompmaker and Robins 2019 decapod
Galathea sp. in Hägg, 1925