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Autor: McLean J.H. & Gosliner T.M.
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Material Examined. California: Santa Maria Basin, Phase I, sta. 85,113 m (13); Phase II, sta. PJ-1, 146 m (2); sta. PJ-10, 147 m (2); sta. PJ-18 (3). Other material examined: 58 LACM lots.
Description. Slender, with rounded whorls; three strong spiral cords intersect with sharply defined axial ribs to produce square cancellations. Height 7-9 mm.
Type Locality and Type Specimens. Off Santa Catalina Island, California, 16 fathoms. Lectotype (here designated): USNM 198617.
Distribution. Point Conception, Santa Barbara County (35°N), to Huntington Beach, Orange County, California (34°N).
Habitat Common on mud bottoms along the mainland coast, 50-180 m, often occurring with Lirobittium rugatum and with L. larum.
Remarks. Differs from Lirobittium rugatum in having more rounded whorls and a more slender profile and completely lacking the spiral threading of the latter species.
Description. Slender, with rounded whorls; three strong spiral cords intersect with sharply defined axial ribs to produce square cancellations. Height 7-9 mm.
Type Locality and Type Specimens. Off Santa Catalina Island, California, 16 fathoms. Lectotype (here designated): USNM 198617.
Distribution. Point Conception, Santa Barbara County (35°N), to Huntington Beach, Orange County, California (34°N).
Habitat Common on mud bottoms along the mainland coast, 50-180 m, often occurring with Lirobittium rugatum and with L. larum.
Remarks. Differs from Lirobittium rugatum in having more rounded whorls and a more slender profile and completely lacking the spiral threading of the latter species.
McLean J.H. & Gosliner T.M. (1996) Taxonomic atlas of the benthic fauna of the Santa Maria Basin and Western Santa Barbara Channel. Vol. 9, Pt. 2: The Mollusca: The Gastropoda.
Autor: Jan Delsing