Where: Bavaria, Germany (49.9° N, 11.5° E: paleocoordinates 39.5° N, 20.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Jurensismergel Formation, Late/Upper Toarcian (180.1 - 175.6 Ma)

• ammonoid zones: Grammoceras thouarsense, Hammatoceras insigne, Dumortieria levesquei, Cotteswoldia aalensis

• formation-level stratigraphic resolution

Environment/lithology: offshore; lithified shale

Size class: macrofossils

Primary reference: J. Gründel, A. Nützel, and C. Schulbert. 2009. Toarctocera (Gastropoda, Aporrhaidae): a new genus from the Jurassic (Toarcian/Aalenian) of south Germany and the early evolutionary history of the family Aporrhaidae. Palaeontologische Zeitschrift 83:533-543 [W. Kiessling/U. Merkel/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 92959: authorized by Wolfgang Kiessling, entered by Uta Merkel on 18.12.2009

Creative Commons license: CC BY (attribution)