Tschermakfjellet, Dickinsonland, Svalbard, early Carnian (Triassic of Svalbard and Jan Mayen)

Where: Svalbard and Jan Mayen (78.5° N, 15.3° E: paleocoordinates 47.4° N, 2.1° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Tschermakfjellet Formation, Carnian (237.0 - 228.0 Ma)

• member-level stratigraphic resolution

Environment/lithology: shallow subtidal

• The beds are distinctly weathered, sideritic nodule-bearing siltstones and shales. The fossils are generally preserved within nodules.

Size class: macrofossils

Primary reference: H. J. Campbell. 1994. The Triassic bivalves Daonella and Halobia in New Zealand, New Caledonia, and Svalbard. Institute of Geological and Nuclear Sciences Monograph 4:1-165 [D. Bottjer/C. Powers/C. Jamet]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 44452: authorized by David Bottjer, entered by Catherine Powers on 12.09.2004, edited by Jonathan Tennant

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ceratitida - Cladiscitidae
Paracladiscites djuturnus
 Ceratitida - Trachyceratidae
Sirenites sp., "Dawsonites cf. canadensis" = Daxatina canadensis, Protrachyceras sp.
Sirenites sp. Mojsisovics 1893 ceratite
"Dawsonites cf. canadensis" = Daxatina canadensis Whiteaves 1889 ceratite
Protrachyceras sp. Mojsisovics 1893 ceratite
 Ceratitida - Nathorstitidae
"Nathorstites lenticularis" = Nathorstites macconnelli, "Nathorstites tenuis" = Stolleyites tenuis, "Nathorstites gibbosus" = Stolleyites tenuis
"Nathorstites lenticularis" = Nathorstites macconnelli Whiteaves 1889 ceratite
"Nathorstites tenuis" = Stolleyites tenuis Stolley 1911 ceratite
"Nathorstites gibbosus" = Stolleyites tenuis Stolley 1911 ceratite
 Phylloceratida - Ussuritidae
"Discophyllites cf. taimyrensis" = Arctophyllites taimyrensis
"Discophyllites cf. taimyrensis" = Arctophyllites taimyrensis Popov 1961 ammonite
Bivalvia
 Ostreida - Halobiidae
Aparimella rugosoides, Halobia zitteli
Halobia zitteli Lindstrom 1863 oyster
Rhynchonellata
 Rhynchonellida - Rhynchonellidae
Piarorhynchia sp., "Piarorhynchia yakutica" = Planirhynchia yakutica
Piarorhynchia sp. Buckman 1917
"Piarorhynchia yakutica" = Planirhynchia yakutica Dagys 1965
Reptilia
 Sauropterygia - Pistosauridae
Pistosauridae indet.
Pistosauridae indet. Zittel 1887 diapsid
PMU R117 (now PMU 24783), cervical centrum