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Figure 15. Janthina fossil localities in New Zealand. Symbols: A, Janthina chavani, Gelasian-early 
Calabrian (Nukumaruan New Zealand Stage, 1.63-2.4 Ma); ◄, Janthina chavani, late Piacenzian- 
early Gelasian (Mangapanian New Zealand Stage, 2.4-3.0 Ma); ■, Janthina typica, early Piacenzian 
(Waipipian New Zealand Stage, 3.0-3.7 Ma); •, Janthina typica, Zanclean (Opoitian New Zealand 
Stage, 3.7-5.3 Ma); O, Janthina typica, Messinian (Kapitean New Zealand Stage, 5.3-7.2 Ma). — (A) 
Main islands of New Zealand, showing general locations of areas in Figs 15B-D. Focalities: (1) Otahuhu 
well, Auckland (J. typica)-, (2) Pukekohe (J. typica)-, (3) Kaawa Creek, SW Auckland (J. typica, type 
locality of Turbo postulatus)\ (4) East Cape (J. typica) -, (5) Waimata Road, inland from Tolaga Bay (J. 
typica)-, (6) Mahia Peninsula (J. typica)-, (7) Cape Kidnappers (J. typica) -, (8) Gisborne-northern Hawke’s 
Bay (detailed localities shown in B); (9) South Taranaki coast-Whanganui Basin (see detail in Q; (10) 
Westland (see detail in D );... [caption continued on next pages, pp. 148-149], 
