Where: Switzerland (47.5° N, 8.0° E: paleocoordinates 38.5° N, 16.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Cardioceras cordatum ammonoid zone, Early/Lower Oxfordian (161.2 - 155.7 Ma)

• Lower Cordatusschichten

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, nodular marl

Size class: macrofossils

Collection methods: Repository: Eidgenössische Technische Hochschule Zurich (ETH)

Primary reference: A. Jeannet. 1951. Stratigraphie und Palaeontologie des oolithischen Eisenerzlagers von Herznach und seiner Umgebung. Beiträge zur Geologie der Schweiz, Geotechnische Serie 13(5):1-240 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 171684: authorized by Matthew Clapham, entered by Matthew Clapham on 16.07.2015

Creative Commons license: CC BY (attribution)