Also known as Antifer-1 Hardground

Where: Normandy, France (48.6° N, 0.6° E: paleocoordinates 37.4° N, 2.4° E)

• coordinate based on political unit

• local area-level geographic resolution

When: Sables du Perche Formation, Late/Upper Cenomanian (99.6 - 93.5 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; lithified siltstone

Size class: macrofossils

Collection methods: surface (in situ), mechanical,

Primary reference: J. Hardenbol, M. Caron, F. Amedro, C. Dupuis and F. Robaszynski. 1993. The Cenomanian-Turonian boundary in central Tunisia in the context of a sequence-stratigraphic interpretation. Cretaceous Research 14(4/5):449-454 [C. Marshall/S. Low]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 4022: authorized by Charles Marshall, entered by Sofy Low on 13.08.1999

Creative Commons license: CC BY (attribution)