Land, Endemic, Sculpture of closely spaced regular very oblique narrow membranous axials, becoming obsolete over the body whorl and absent from the base. Colour pale olive, with a hydropanous pattern of irregular pale buff maculations, of rimilar pattening in darker-brown. The base is uniformly olive to dark brown without markings or zones
References and Publications
Powell, A.W.B. 1979New Zealand Mollusca: Marine, Land and Freshwater Shells, Collins, Auckland (p.82)
Key to Geographical Ranges
The symbols K.A.C.F.M.An. are used to indicate the geographical range of the species.
They have been adopted to give an approximation of the range of each species within New Zealand.
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
Cookian - Lower North Island and the northern part of the South Island