Mt. Trident (Triassic of Svalbard and Jan Mayen)

Where: Svalbard and Jan Mayen (78.2° N, 17.2° E: paleocoordinates 41.7° N, 8.9° E)

• coordinate estimated from map

• local area-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

Collection methods: PIU: Palaeontological Institute of the University of Uppsala

Primary reference: E. A. Stensiö. 1921. Triassic Fishes from Spitzbergen, Part I 1-307 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 120231: authorized by Matthew Clapham, entered by Christina Feng on 09.11.2011, edited by Matthew Clapham, Richard Butler and Bethany Allen

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ceratitida - Lecanitidae
Lecanites cf. ophioneus1 Waagen 1895 ceratite
 Ceratitida - Meekoceratidae
"Prosphingites spathi" = Juvenites spathi1
"Prosphingites spathi" = Juvenites spathi1 Frebold 1930 ceratite
Osteichthyes
 Saurichthyiformes - Saurichthyidae
Saurichthys wimani2 Woodward 1912 ray-finned fish
Saurichthys hamiltoni2 Stensiö 1925 ray-finned fish
"Saurichthys elongatus" = Saurichthys (Lepidosaurichthys) elongatus2 Stensiö 1925 ray-finned fish
"Saurichthys ornatus" = Saurichthys (Lepidosaurichthys) ornatus2 Stensiö 1925 ray-finned fish
 Ptycholepiformes - Ptycholepididae
Boreosomus reuterskioldi Stensiö 1921 ray-finned fish
Acrorhabdus bertili Stensiö 1921 ray-finned fish
Coelacanthimorpha
 Coelacanthiformes - Whiteiidae
? Wimania sp. Stensio 1921 coelacanth
Wimania multistriata Stensiö 1921 coelacanth
Axelia robusta Stensiö 1921 coelacanth
 Coelacanthiformes - Coelacanthidae
? Mylacanthus sp. Stensiö 1921 coelacanth
Or ? Scleracanthus sp.
 Diplocercidiformes - Sassenidae
Sassenia tuberculata Stensiö 1921 lobe-finned fish
Amphibia
 Temnospondyli - Trematosauridae
"Lonchorhynchus oebergi" = Aphaneramma rostratum3
"Lonchorhynchus oebergi" = Aphaneramma rostratum3 Woodward 1904 tetrapod
PIU specimens including PIU U.65
 Temnospondyli - Lyrocephaliscidae
"Lyrocephalus euri" = Lyrocephaliscus euri3
"Lyrocephalus euri" = Lyrocephaliscus euri3 Wiman 1914 tetrapod
PIU specimens
Osteichthyes
 Palaeonisciformes - Platysomidae
Platysomus sp. Agassiz 1833
Platysomus nathorsti Stensiö 1921
 Palaeonisciformes - Pygopteridae
Pygopterus degeeri Stensiö 1921
 Palaeonisciformes - Birgeriidae
Birgeria mougeoti Agassiz 1843