Van Keulenfjorden, Valangian, horizon 2 (Cretaceous of Svalbard and Jan Mayen)

Where: Svalbard and Jan Mayen (77.6° N, 15.0° E: paleocoordinates 68.7° N, 17.1° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Rurikfjellet Formation, Valanginian (139.8 - 132.9 Ma)

• The authors call the horizons Triassic 1 and so on, following the lithological descriptions I have assigned a formation and member name.

•The time intervals are determined by the original authors.

Environment/lithology: marine; silty claystone

Size class: macrofossils

Preservation: mold/impression

Collection methods: bulk, mechanical,

Primary reference: T.M. Pchelina. 1965. Mesozoic deposits around Van Keulenfjorden Vestspitsbergen. In V.N. Sokolov (ed.), Geology of Spitsbergen 155-181 [W. Foster/W. Foster]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 212808: authorized by William Foster, entered by William Foster on 20.08.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Buchiidae
"Aucella uncitoides" = Buchia uncitoides, "Aucella terebratuloides" = Buchia terebratuloides, "Aucella bulloides" = Buchia, "Aucella crassioolis" = Buchia, "Aucella sublaevis" = Buchia
"Aucella uncitoides" = Buchia uncitoides Pavlow 1907 scallop
"Aucella terebratuloides" = Buchia terebratuloides Lahusen 1888 scallop
"Aucella bulloides" = Buchia scallop
"Aucella crassioolis" = Buchia scallop
"Aucella sublaevis" = Buchia scallop
Cephalopoda
 Ammonitida - Polyptychitidae
Polyptychites spp. Pavlow 1892 ammonite
Polyptychites sp. Pavlow 1892 ammonite
"Polyptychites aff. infundibulum" = Polyptychites (Polyptychites) keyserlingi Neumayr and Uhlig 1881 ammonite