ammonites
Queen Charlotte Islands, Maude Formation, Locality QC-622 (Jurassic to of Canada)

Where: British Columbia, Canada (53.0° N, 132.0° W: paleocoordinates 2.1° N, 126.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Maude Formation, Late/Upper Pliensbachian to Late/Upper Pliensbachian (189.6 - 182.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

• dark gray to black shales, siliceous mudstones ("argillites"), limestones (calcilutites to calcisiltites), siltstones and lithic sandstones

Size class: microfossils

Primary reference: E. A. Pessagno, Jr. and P.A. Whalen. 1982. Lower and Middle Jurassic Radiolaria (multicyrtid Nassellariina) from California, east-central Oregon and the Queen Charlotte Islands, B.C. Micropaleontology 28(2):111-169 [A. Miller/K. Layou/K. Layou] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 127234: authorized by József Pálfy, entered by Adam Kocsis on 04.05.2012