Where: Germany (47.8° N, 12.6° E: paleocoordinates 33.0° N, 18.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Hettangian to Hettangian (201.3 - 190.8 Ma)

• Specimen was found loose, although Pompeckj argued that it came from the Koessen Formation. The species has never again been reported from Rhaetian deposits and is widely considered to be an Early Jurassic schlotheimiid.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified lithology not reported

Size class: macrofossils

Reposited in the BSP

Primary reference: J. F. Pompeckj. 1895. Ammoniten des Rhät. Neues Jahrbuch für Mineralogie, Geologie und Palaeontologie 1895(2):1-46 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 173618: authorized by Matthew Clapham, entered by Matthew Clapham on 04.10.2015

Creative Commons license: CC BY (attribution)