Mauidrillia intumescens
General description:
Shell large for genus ; distinguished from all other Australian members by the broad, heavy peripheral fold. A moderately broad subsutural fold, on the early spire-whorls only. Surface of spire crowded with spiral threads, 3 on subsuturai fold, 4-8 on broadly concave shoulder, 5-6 on peripheral fold, and 1 or 2 stronger cords below it. Six primary cords on base, plus intermediate threads and 8 closely spaced threads on the anterior end. Axiais strongly nodulose on the peripheral fold, 14 per whorl; weakly nodulose on the subsuturai fold, but elsewhere they are narrow and weak.
Height, 18 mm. ; diameter, 7.5 mm.
Locality : Gippsland Lakes, Victoria (Finlay coll.) (Kalimnan) Lower Pliocene.
Taxonomic name: