Common Name

Provide us with this information.

Status

A valid species or a form of C. anabathrum (Filmer).

Type Locality

Gulf of Mexico,, 50 km south of Apalachicola, Florida, USA

Distribution

Endemic to the Cape Verde Islands. Sal Island Baía da Mordeira to Baía do Algodoeiro

Maximum Reported Size

27 mm

Description

Shell thin, fragile, slender and elongated; body whorl highly polished; numerous finespiral cords around anterior end; shoulder sharp, obsoletely coronated with low undulations and rounded bumps; spire low; protoconch needle-like, protracted, projecting above spire; shell colour pale cream-yellow overlaid with large, amorphous, flammules of bright golden-yellow; mid-body with band containing rows of pale tan dots and dashes; spire whorls white with dark orange and tan flammules; protoconch yellow; interior of aperture white; anterior tip of the shell yellow; periostracum thin, yellow, transparent.

Habitat & Habits

Deep water.

Discussion

C. aureonimbosus is closest to C. amphiurgus but differs in being a much smaller, more elongated and slender shell, by having a coronated spire, and by having a protracted, mammilate protoconch and having an obsolete coronated spire.

References

• New Caribbean Molluscan Faunas: p. 17, pl. 2, fig. 7 & 8.