Jomsom A, bed 36 (Triassic of Nepal)

Where: Nepal (28.8° N, 83.7° E: paleocoordinates 36.8° S, 53.1° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Anatropites ammonoid zone, Upper Thinigaon Member (Mukut Formation), Tuvalian (232.0 - 221.5 Ma)

• informal "Upper Thinigaon" Beds

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal; lithified marl

• alternation of marly limestones and silty marls

Size class: macrofossils

Primary reference: L. Krystyn. 1982. Obertriassische Ammonoideen aus dem Zentralnepalesischen Himalaya (Gebiet von Jomsom) [Upper Triassic ammonoids from the central Nepalese Himalaya (Jomsom area)]. Abhandlungen der Geologischen Bundesanstalt 36:1-63 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 92125: authorized by Wolfgang Kiessling, entered by Uta Merkel on 02.11.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ceratitida - Trachyceratidae
Anasirenites ekkehardi
Anasirenites ekkehardi Mojsisovics 1893 ceratite
 Ceratitida - Arcestidae
Arcestes sp.
Arcestes sp. Suess 1865 ceratite
 Ceratitida - Haloritidae
Tropijuvavites sp., Tropijuvavites bulloides n. gen. n. sp., Eusagenites tschermaki
Tropijuvavites sp. Krystyn 1982 ceratite
Tropijuvavites bulloides n. gen. n. sp. Krystyn 1982 ceratite
Eusagenites tschermaki Mojsisovics 1893 ceratite
 Ceratitida - Juvavitidae
Gonionotites haugi, Gonionotites noricus, Projuvavites (Projuvavites) jaworskii, Projuvanites (Projuvavites) haasi, Projuvavites (Goniojuvavites) sigismundi, Projuvavites (Goniojuvavites) haloritiformis
Gonionotites haugi Gemmellaro 1904 ceratite
Gonionotites noricus Diener 1921 ceratite
Projuvanites (Projuvavites) haasi Diener 1921 ceratite
Projuvavites (Goniojuvavites) sigismundi Mojsisovics 1893 ceratite
 Ceratitida - Tropitidae
Discotropites plinii, Platotropites rotulus, Hoplotropites ladislai, Hoplotropites circumspinatus, Hoplotropites jokelyi
Discotropites plinii Mojsisovics 1893 ceratite
Platotropites rotulus Wang and He 1976 ceratite
Hoplotropites ladislai Mojsisovics 1893 ceratite
Hoplotropites circumspinatus Mojsisovics 1893 ceratite
Hoplotropites jokelyi Hauer 1855 ceratite
 Ceratitida - Klamathitidae
Parahauerites sirenitoides n. sp.
Parahauerites sirenitoides n. sp. Krystyn 1982 ceratite
 Ceratitida - Pinacoceratidae
Eupinacoceras rex
 Phylloceratida - Discophyllitidae
Discophyllites sp.
Discophyllites sp. Hyatt 1900 ammonite