St-Ursanne Highway (Jurassic of Switzerland)

Where: Jura, Switzerland (47.4° N, 7.2° E: paleocoordinates 38.4° N, 16.2° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Gregoryceras transversarium ammonoid zone, Buix Member (St-Ursanne Formation), Middle Oxfordian (161.2 - 155.7 Ma)

• Paracidaris luciaeformis subzone

• group of beds-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; lithified, shelly/skeletal wackestone

• The lithostratigraphic section is dominated by the lagoonal facies
• "biomicritic and chalky"

Size class: macrofossils

Collection methods: Repository: Fondation Paléontologique Jurassienne (FPJ), Naturhistorischen Museum der Burgergemeinde Bern (NMBE)

Primary reference: E. A. Bischof, B. Hostettler, and U. Menkveld-Gfeller. 2018. The cidaroids from the Middle Oxfordian St-Ursanne Formation of the Swiss Jura Mountains. Revue de Paléobiologie, Genève 37:1-27 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 196468: authorized by Matthew Clapham, entered by Matthew Clapham on 15.09.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Cidaroida - Polycidaridae
Paracidaris florigemma Phillips 1829 pencil urchin
 Arbacioida - Arbaciidae
 Euechinoidea - Hemicidaridae
 Salenioida - Acrosaleniidae
 Calycina - Diplopodiidae
"Pseudodiadema sp." = Diplopodia (Pseudodiadema)
"Pseudodiadema sp." = Diplopodia (Pseudodiadema) Desor 1858 sea urchin