Birmensdorf (Jurassic of Switzerland)

Where: Switzerland (47.5° N, 8.2° E: paleocoordinates 38.5° N, 17.1° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: cordatum and transversarium ammonoid zone, Birmensdorf Beds Formation, Oxfordian (163.5 - 157.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, shelly/skeletal limestone and lithified, shelly/skeletal marl

• layer of marls and limestones with common sponges and ammonites

Size classes: macrofossils, mesofossils

Collection methods: Repository: Naturhistoriches Museum, Basel

Primary reference: A. Oppel. 1863. III: Über jurassische Cephalopoden (continued). Palaeontologische Mittheilungen aus dem Museum des Koeniglich-Bayerischen Staates 163-266 [P. Scofield/P. Scofield/P. Scofield]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 234328: authorized by Paul Scofield, entered by Paul Scofield on 28.03.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Oppeliidae
"Ammonites stenorhynchus n. sp." = Trimarginites stenorhynchus, "Ammonites trachinotus n. sp." = Taramelliceras (Taramelliceras) trachinotum
"Ammonites stenorhynchus n. sp." = Trimarginites stenorhynchus Oppel 1863 ammonite
Lectotype designated by Christ (1961) pg 288. In ETH collections
"Ammonites trachinotus n. sp." = Taramelliceras (Taramelliceras) trachinotum Oppel 1863 ammonite