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Species / Rostellaria Fusiformis

Rostellaria Fusiformis

  • Rostellaria fusiformis Whitfield, 1892

Description of Rostellaria fusiformis Whitfield, 1892 by Weller, 1907:

  • "Shell small, slender and fusiform; spire elevated and slender, the apical angle being about 20 or 25; volutions slender, slightly convex on their exposed surfaces ; four only preserved in the cast, but there have been four or five more above, making eight or more in all; body volution greatly prolonged in front, forming a long slender beak with a proportionally strong axis, leaving quite a good-sized axial cavity in the cast; aperture long and narrow, pointed above and below, the upper canal being extended upon the preceding volutions to an unknown extent; volutions marked by numerous, closely-arranged, vertical folds, 12 or more to the whorl."

Localities: Crosswicks Creek, New Jersey, USA

Stratigraphy: Navesink Formation (Navesink marl), Maastrichtian, Upper Cretaceous

Rostellaria fusiformis in Weller, 1907, pl. LXXXIII, fig 14, 15

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