Bittiolum properatum Woodring, 1928 Bittium varium (Pfeiffer, 1840) Cerithium columellare d'Orbigny, 1847 Cerithium gibberulum C.B.

Adams, 1845 Cerithium pallidum Pfeiffer, 1840 Cerithium triseriale Gabb, 1881 Cerithium varium Pfeiffer, 1840 Diastoma varium (Pfeiffer, 1840) Bittiolum varium, common name the grass cerith, is a species of sea snail, a marine gastropod mollusk in the family Cerithiidae.

[1] Bittiolum varium occurs in shallow waters (0–11 m (0–36 ft) depth) of the Western Atlantic between the East Coast of the United States (Maryland) and Brazil.

[2] The maximum recorded shell length is 6.5 mm.

[3] The minimum recorded depth for this species is 0 m; maximum recorded depth is 11 m.[3]