Box 26, Folder 8: Paleontology Notes 8 Gasteropoda: 2A

Genus Monoceros P 3p 250

Shell oval; aperture longitudinal, terminating inferiorly by an oblique sinus; a conic tooth at the base of the lip internally-Very near Purpurea.

Gr. one and a horn

Monoceros vetusta, Conrad. M. pyruloides, & M. furiformis Lea, Cont. p 161 & 162 pl 5 fig 166 & 167.

Shell turbinate or sub-fusiform, inflated, transverselly striated; substance of the shell thick; transverse furrow linear, with indistinct angular points; spine short; suture small; whorls six; convex; umbilicus large or none, mouth ovate, narrow; columella thickened; outer lip sharp.

H 0.75 D 0.5

Eocene Tertiary Claiborne Alab.

Monoceras sulcatum Lea, Cont. to Geol. p 163 pl 5 fig 168.

Shell turbinate, inflated, transversely furrowed over the whole surface, substance rather thin; transverse furrow linear with indistinct angular points; suture rather small; whorls convex; umbilicus none; mouth ovate, narrow; columella smooth; outer lip sharp.

D. 0.2

Eocene Tertiary Claiborne Alab.

Monoceras vetusta, Conrad.

Very nearly allied to the European Murex minax Brander, (Fusus minax, Lam)

Eocene Tertiary