Mauidrillia clavicula
General description:
Shell small. Spire 1 1/2 times height of aperture plus canal. Whorls 6 1/2, including typical protoconch of 11/2 whorls. Whorls strongly angled at middle. Cord margining suture weak. Axials as strong blunt knobs at angle, not extending to either suture, 9-12 per whorl, ten on penultimate in holotype. Spiral sculpture in one series of evenly spaced crisp cords, not differentiated on shoulder, nine on spire whorls, ten on base and neck, and about seven on fasciole. Apertural features typical, but anterior canal rather short.
Height, 8.25 mm.; diameter, 3.1 mm. (Holotype).
Locality: Target Gully (Awamoan) Middle Miocene.
Taxonomic name: