Cerithium leptocharactum Rehder 1980

Cerithium leptocharactum Rehder, 1980

Cerithium (Thericium) leptocharactum Rehder, 1980:38, pl. 6: figs. 5–7 [holotype: USNM 756335, 18 mm × 8 mm; Paratypes (2): USNM 751613; type locality: Easter Island].

DESCRIPTION.—Shell (Figure 69): Shell elongate, turreted, comprising 10 angulate whorls, reaching 18 mm length and 8 mm width. Protoconch unknown. Early teleoconch whorls with about 7 fine spiral threads, largest centrally placed, and with weak, broad axial ribs. Adult teleoconch sculptured with fine, unequal, spiral threads and narrow grooves, and with spiral row of subsutural beads and spiral row of peripheral nodes on last three whorls. Penultimate and previous whorls with about 10 broad, angulate, axial ribs, crossed over by thin spiral threads and grooves. Suture distinct, impressed, and slightly sunken into each anterior whorl. Large varices randomly placed. Body whorl elongate, with moderately excavated base and strong siphonal constriction; sculptured with about 9 spiral, beaded threads, numerous fine spiral threads. Large varix opposite outer lip of aperture. Aperture ovate, a litde less than one-third the shell length. Columella slighdy concave with callus and columellar lip. Anterior siphonal canal of moderate length, slightly turned to left of shell axis. Anal canal distinct, bordered with parietal columellar tooth. Outer lip convex, weakly crenulate; interior with weak spiral denticles. Shell color tan-brown with white beads, varices, and axial ribs on early whorls. Aperture pink. Operculum unknown.

Radula: Unknown.

Anatomy: Unknown.

SYNONYMIC

Cerithium leptocharactum is a species of sea snail, a marine gastropod mollusk in the family Cerithiidae.