Where: Svalbard and Jan Mayen (78.6° N, 15.4° E: paleocoordinates 41.8° N, 8.3° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Sticky Keep Member (Kongressfjellet Formation), Smithian (251.3 - 247.2 Ma)
• From the "Fischniveau" (fish horizon) of the "Posidonomya Beds" (Wiman 1914; Nilsson 1942)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, black shale
Size class: macrofossils
Collected in 1939
• PIU: Palaeontological Institute of the University of Uppsala
Primary reference: T. Nilsson. 1943. On the morphology of the lower jaw of Stegocephalia with special reference to Eotriassic stegocephalians from Spitzbergen. I. Descriptive Part. Kungl. Svenska Vetenskapsakademiens Handlingar 20(9):1-46 [R. Butler/R. Butler]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 144048: authorized by Richard Butler, entered by Richard Butler on 29.04.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Amphibia | |
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"cf. Sassenisaurus spitzbergensis" = Cyclotosaurus spitzbergensis
"cf. Sassenisaurus spitzbergensis" = Cyclotosaurus spitzbergensis Wiman 1914 tetrapod Partial lower jaw (unnumbered specimen)
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