Kroghberg, Upper Lias (Jurassic of Svalbard and Jan Mayen)

Where: Svalbard and Jan Mayen (78.3° N, 18.8° E: paleocoordinates 67.3° N, 9.0° E)

• coordinate stated in text

• hand sample-level geographic resolution

When: Agardhfjellet Formation, Toarcian (182.7 - 174.1 Ma)

Environment/lithology: marine; conglomerate

Size class: macrofossils

Preservation: mold/impression

Collection methods: bulk,

Primary reference: H. Frebold. 1929. Die Schiehtenfolge des Jura und der Unterkreide an der Ostküste Südwest-Spitzbergens. Abhandlungen aus dem Gebiete der Naturwissenschaften XXII(3-4):255-292 [W. Foster/W. Foster]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 213100: authorized by William Foster, entered by William Foster on 25.08.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Nuculanida - Nuculanidae
"Leda cf. diana" = Nuculana
"Leda cf. diana" = Nuculana pointed nut clam
 Pholadida - Pleuromyidae
 Myalinida - Inoceramidae
"Inoceramus cf. dubius" = Parainoceramya dubia
"Inoceramus cf. dubius" = Parainoceramya dubia Sowerby 1826 clam
Cephalopoda
 Ammonitida - Hildoceratidae
Pseudolioceras cf. compactile Simpson 1855 ammonite
 Ammonitida - Coeloceratidae