Kantor, Y.I., Bouchet, P., Oleinik, A. 2001 A revision of the Recent species of Exilia, formerly Benthovoluta (Gastropoda: Turbinellidae), Ruthenica, 11 (p.127)
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.
K=
Kermadec Islands
A=
Aupourian - Kaipara Harbour, north around North Cape, encompassing the Three Kings Islands and south to East Cape
C=
Cookian - Lower North Island and the northern part of the South Island