Discoscaphites sp.

LANDMAN, NEIL H., JOHNSON, RALPH O. & EDWARDS, LUCY E., 2004, Cephalopods from the Cretaceous / Tertiary Boundary Interval on the Atlantic Coastal Plain, with a Description of the Highest Ammonite Zones in North America. Part 1. Maryland and North Carolina, American Museum Novitates 3454 (1), pp. 1-64 : 56

Discoscaphites sp.

MATERIAL: USNM 525331 from the Severn Formation, Round Bay, Maryland.

DESCRIPTION: USNM 525331 is the ventral part of the adoral half of a body chamber (not illustrated). It is badly worn but preserves rows of inner and outer ventrolateral tubercles. The tubercles in each row are widely spaced at approximately equal intervals of 6– 8 mm.

OCCURRENCE: Severn Formation, Round Bay , Anne Arundel County, Maryland .