Havelockia scabra (Verrill, 1873)

Figure 17

Thyone scabra .— Deichmann,1930:166, pl.13, figs. 3,4.

Havelockia scabra .— Panning, 1949: 466; Pawson, 1977: 12, text-fig. 14.

Material examined. None.

Diagnosis. Body strongly curved, reaching 10 cm in length. Color whitish, often with a brownish tinge. Feet hair-like, uniformly distributed. Body wall stiff, filled with ossicles in form of irregular tables (up to 130 μm in diameter) with 7–10 or more holes and a 2-pillared spire ending in indistinct teeth. In introvert tables have larger, more delicate and more circular disk and low spire.

Distribution. MA to E and W FL, Gulf of Mexico.

Habitat. Sand/mud. 10 – 1,170 m.

Remarks. This is presumably a burrowing species. Nothing more is known about its biology.