Conus (Rolaniconus) axelrodi  Walls, 1978

Common Name

"Axelrod’s Cone"

Status

Regarded as a valid species.

Type Locality

Palawan, Philippines

Distribution

Taiwan, Philippines, Papua New Guinea

Maximum Reported Size

22 mm

Description

Small, light. Last whorl broadly conical, broadly ventricosely conical or slightly pyriform; outline variably convex adapically and straight to concave below. Shoulder angulate, distinctly tuberculate to undulate. Spire of moderate height, occasionally high; outline straight to slightly concave. Larval shell of about 1.75 whorls, maximum diameter about 1 mm. Postnuclear spire whorls tuberculate to undulate. Teleoconch sutural ramps flat, with 3 increasing to 4-5 spiral grooves; ribs between often crossed by arcuate axial threads producing a cancellate appearance. Entire last whorl with distinct, widely spaced, granulose spiral ribs; interspaces occasionally with a single fine, punctate spiral groove.

Ground colour white, usually variously suffused with yellowish brown, pink, or rose. Last whorl with a varying number of variably spaced brown dots arrayed on the spiral ribs; in some populations, dots completely absent. Larval whorls white to red. Teleoconch sutural ramps with scattered brown markings or immaculate. Aperture white, pale yellow or pale pink.

Periostracum yellowish brown to olive, thin, translucent, and smooth.

Shell Morphometry

L 15-20 mm
RW 0.05-0.06 g/mm
RD 0.69-0.79
PMD 0.77-0.90
RSH 0.16-0.30

Habitat & Habits

Shallow water.

References

Radular Morphology


Image to be added soon...