By Stevens G.R.

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Extra resources for The Late Jurassic ammonite fauna of New Zealand

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Masoni. Spath (1923, pp. 58) commented on the distinctiveness of the New Zealand material now described as H p. masoni and remarked particularly on the characteristics of the ventral ribbing and ventral sinus (see items (i) and (ii) on p. 3 1). Holcophylloceraspassari masoni juv. Auckland. P. Mason. cf. Holcophylloceras, sp. indet. LOCALITIES: New Zealand Geological Survey collections: CE1678: GS5941, east coast of Totara Point, KawhiaHarbour. A. Fleming, D. R. Stevens, 1956. University of Auckland collections: C389, Klondyke Road, Onewhero, Port Waikato.

Grant-Mackie et al. 1968. C1537, 1538: AU9893, Moewaka(=Ponganui) Quany. W. Auckland. P. Mason 1951. 1779). Collected by P. A. Maxwell. REMARKS:Four small ammonites, up to 18 mm in diameter, have been collected from the base of the Ethelton Conglomerate outcropping in the Hurunui River, North Canterbury (McKellar et al. 1962, p. 491), and in a neighbouring area (UCM14 above). All represent the same taxon and have been tentatively assigned to P salima. Associ- ated fossils, including hivalves, belemnites and the holotype ofldoceras speighti (Marshall) range in age from Heterian toPuaroan (Stevens 1965, pp.

Suture saddles diphyllic and triphyllic. RANGEOF GENUS:Bajocian-Tithonian (Arkell et al. 1957, p. 189). Ptychophylloceras sp. indet. Plate 9, fig. ; Fleming & Kear, p. 32. 1960 PfychophyNoceras;Fleming, p. 267. 1968a PlychophyNoceras;Stevens, p. 22. 1974 Pfychopkyl~oceros; Stevens, p. 746. 33 LOCALITY:NZ Geological Survey collections: CE281: Kowhai Point KawhiaHarbour. S. Browne. HORIZON:Lower Ohauan [Late AGEAND STRATIGRAPHIC Kimmeridgian]. In the Kawhia Harbour succession the species occurs in the middle ofthe Kowhai Point Siltstone (Fleming & Kear 1960, p.

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