Where: Switzerland (47.5° N, 8.0° E: paleocoordinates 38.1° N, 17.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Macrocephalites gracilis ammonoid zone, Early/Lower Callovian (164.7 - 161.2 Ma)

• Upper Macrocephalusschichten, bed A.5

• bed-level stratigraphic resolution

Environment/lithology: lithified, sandy limestone

Size class: macrofossils

Collected by Amsler

• Repository: personal collection of Amsler

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 171570: authorized by Matthew Clapham, entered by Matthew Clapham on 12.07.2015

Creative Commons license: CC BY (attribution)