Where: Switzerland (47.5° N, 8.0° E: paleocoordinates 36.9° N, 17.8° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Opalinus Clay Formation, Opalinum (175.6 - 171.6 Ma)

• Upper part of Opalinum subzone

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, massive, bioturbated, sandy limestone

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: PIMUZ (Paläontologischen Institut und Museum der Universität Zürich)

Primary reference: R. Förster and H. Rieber. 1982. Der älteste Vertreter der Gattung Palaeastacus (Crustacea, Decapoda), Palaeastacus argoviensis n. sp., aus dem unteren Dogger der Nordschweiz. Eclogae Geologicae Helvetiae 75:773-778 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138791: authorized by Matthew Clapham, entered by Matthew Clapham on 27.01.2013

Creative Commons license: CC BY (attribution)