Where: Switzerland (47.3° N, 7.1° E: paleocoordinates 37.5° N, 16.7° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Clydoniceras discus ammonoid zone, St-Brais Member (Ifenthal Formation), Late/Upper Bathonian (167.7 - 164.7 Ma)

• Discus subzone

• bed-level stratigraphic resolution

Environment/lithology: lithified, ferruginous, ooidal lime mudstone

Size class: macrofossils

Collection methods: Repository: Fondation Paléontologique Jurassienne (FPJ)

Primary reference: V. Dietze and B. Hostettler. 2016. Occurrences of the ammonite genus Clydoniceras Blake, 1905 in the Middle Jurassic (Upper Bathonian, Discus Zone) of NW Switzerland. Proceedings of the Geologists' Association 127:218-229 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 193323: authorized by Matthew Clapham, entered by Matthew Clapham on 11.05.2018

Creative Commons license: CC BY (attribution)