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William Cobban, William Kennedy, and Neil Landman (1999)

Platyscaphites, a new ammonite from the Lower Campanian (Upper Cretaceous) of the United States Western Interior.

Bulletin de l'Institut Royal des Sciences Naturelles de Belgique - Bulletin van het Koninklijk Belgisch Instituut voor Natuurwetenschappen, 69 (Supplément A):47-54.