Sample 146, east slope of Lyunge Mountain, Hopen Island (Triassic of Svalbard and Jan Mayen)

Where: Svalbard and Jan Mayen (76.7° N, 25.4° E: paleocoordinates 58.0° N, 5.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: kerri ammonoid zone, De Geerdalen Formation, Lacian (221.5 - 215.6 Ma)

• Also correlated with Pinacoceras verchojanicum and Guembelites jandianus zones

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary, sideritic siliciclastic sediments

Size class: macrofossils

Collected by M.V. Korchinskaya in 1974

Primary reference: M. V. Korchinskaya. 1980. Rannenoriiskaya fauna arkhipelaga Sval'bard. In D.V. Semevskiy (ed.), Geologiya Osadochnogo Chekhla Arkhipelaga Sval'bard 30-43 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 151217: authorized by Matthew Clapham, entered by Matthew Clapham on 23.09.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ceratitida - Trachyceratidae
"Argosirenites cf. obrucevi" = Pterosirenites obrucevi, "Argosirenites nelgehensis" = Pterosirenites nelgehensis
"Argosirenites cf. obrucevi" = Pterosirenites obrucevi Bajarunas 1932 ceratite
forma nabeshi
"Argosirenites nelgehensis" = Pterosirenites nelgehensis Arkhipov 1974 ceratite
Bivalvia
 Ostreida - Halobiidae
Halobia sp. Bronn 1830 oyster
Halobia cf. maximiliani Kittl 1912 oyster
Halobia aotii Kobayashi and Ichikawa 1949 oyster
Halobia cf. obruchevi Kiparisova 1937 oyster
Halobia fallax Mojsisovics 1874 oyster
Halobia cf. fallax Mojsisovics 1874 oyster