Where: Alexander Island, Antarctica (70.8° S, 68.5° W: paleocoordinates 69.4° S, 44.9° W)

• local area-level geographic resolution

When: Spartan Glacier Formation, Aptian (125.5 - 112.0 Ma)

• fossils in this formation are divided into three faunas that span from Valanginian through Aptian

• formation-level stratigraphic resolution

Environment/lithology: sandstone and shale

Primary reference: P. J. Butterworth, J. A. Crame, P. J. Howlett and D. I. M. Macdonald. 1988. Lithostratigraphy of Upper Jurassic-Lower Cretaceous strata of eastern Alexander Island, Antarctica. Cretaceous Research 9(3):249-264 [M. Patzkowsky/K. Layou/A. Clement] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 2078: authorized by Mark Patzkowsky, entered by Karen Layou on 21.06.1999