Where: Switzerland (47.5° N, 8.0° E)

• Paleocoordinates: 31.8° N, 25.9° E (Wright 2013)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Quenstedtoceras lamberti ammonoid zone, Late/Upper Callovian (165.3 - 161.5 Ma)

• Considered lower Oxfordian by Jeannet, but below current position of Callovian-Oxfordian boundary

• bed-level stratigraphic resolution

Environment/lithology: lithified, ferruginous, ooidal, brown limestone

Size class: macrofossils

Collected by A. Frei

• Repository: collection of A. Frei, Frick

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 171590: authorized by Matthew Clapham, entered by Matthew Clapham on 13.07.2015

Creative Commons license: CC0 (CC0)