Sigapatella novaezelandiae (Lesson, 1831) Length 42mm, Height 25mm, Circular Slipper Shell. Marine, Endemic North, South, Stewart, Chatham, Auckland, Snares and Campbell Islands. Living intertidally to 200 metres, attached to hard substrate ACFMAnE.
Sigapatella spadicea Boshier, 1961 Length 21mm, Width 18mm, Marine, Endemic. Spinose surface periostracum/epidermis North, South and Stewart Island. 4-533 metres attached to hard substrate/shells ACFE.
Sigapatella superstes Fleming, 1958 Width 28mm, Height 12mm, Marine, Endemic. Granulose surface pattern Off Three Kings Islands and off Northern tip of North Island. (1 juvenile off Aldermen Islands), 0-805 metres AE.
Sigapatella tenuis (Gray, 1867) Width 16mm, Height 9mm, Marine, Endemic. Oblique spiral threads on the teleoconch, smooth periostracum when not worn off Three Kings, North, South, Stewart and Chatham Islands. 0-604 metres, attached to hard substrate ACFME.
Sigapatella terraenovae Peile, 1924 (=crater Finlay, =tumens Finlay) Width 30mm, Height 20mm, Marine, Endemic Off Three Kings Islands, Far North and Ranfurly Bank, East Cape. Attached to hard substrate, 27-93 metres ACE.
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 approxomation 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