Early Miocene; Extinct.
Original Description (from Maury, 1910, p. 19):
"Shell with six convex whorls of which the first three are smooth and the remainder sculptured. Spiral sculpture of well-defined threads alternating in size. Longitudinal sculpture of rounded riblets (ten on the last whorl). Suture waved; pillar nearly straight; aperture and canal key-hole shaped. Length of shell 9; greatest width 4 mm.
Named in honor of Professor Gill of Cornell University.
Oak Grove, Florida.
Mr. Aldrich's collection."
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Synonymous with Haustellum gilli.