Where: Antarctica (63.8° S, 58.0° W: paleocoordinates 63.9° S, 64.8° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Lachman Crags Member (Santa Marta Formation), Santonian (86.3 - 83.6 Ma)

• STRATIGRAPHIC RELATIONS: From the Lachman Crags Mbr of the Santa Marta Fm, which locally overlies the Hidden Lake Fm (Coniacian), and is overlain by the López de Bertodano Fm. AGE: Santonian-Campanian, on the basis of ammonite biostratigraphy; placed in Santonian as from the lower part of the unit. STRATIGRAPHIC POSITION: From beds in the lowermost part of the member.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, shelly/skeletal, conglomeratic sandstone and lithified siltstone

Size class: macrofossils

Preservation: cast, mold/impression

Collection methods: surface (in situ),

• COLLECTOR: Multiple collectors, including J.A. Crame and M.R.A Thompson. REPOSITORY: Not stated, but presumably British Antarctic Survey and Oxford University Museum (OUM).

Primary reference: J. A. Crame, D. Pirrie, J. B. Riding and M. R. A. Thomson. 1991. Campanian-Maastrichtian (Cretaceous) stratigraphy of the James Ross Island area, Antarctica. Journal of the Geological Society, London 148:1125-1140 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 83338: authorized by Austin Hendy, entered by Austin Hendy on 18.08.2008

Creative Commons license: CC BY (attribution)