Where: Argentina (48.0° S, 72.1° W: paleocoordinates 47.6° S, 34.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Rio Mayer Formation (Pueyrredon Group), Early/Lower Hauterivian (136.4 - 130.0 Ma)

• late Early Hauterivian

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, black shale

Size class: macrofossils

Primary reference: M. B. Aguirre-Urreta. 1989. The Cretaceous decapod Crustacea of Argentina and the Antarctic Pensinsula. Palaeontology 32(3):499-552 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 66636: authorized by Wolfgang Kiessling, entered by Uta Merkel on 12.10.2006

Creative Commons license: CC BY (attribution)