Placostylus ambagiosus priscus Powell, 1938

Breure, Abraham S. H. & Ablett, Jonathan D., 2012, Annotated type catalogue of the Bothriembryontidae and Odontostomidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London, ZooKeys 182, pp. 1-70 : 20

Placostylus ambagiosus priscus Powell, 1938 Fig. 12D

Placostylus ambagiosus priscus Powell 1938: 149, pl. 34 figs 9-10.

Type locality.

[New Zealand, North Island] "about three quarters of a mile east of the extreme north-western headland [Cape Maria van Diemen]".

Label.

"Cape Maria van Diemen (mainland)"

Dimensions.

"Height, 77 mm.; breadth, 31 mm."; specimen figured herein H 70.3, D 28.5, W 6.5.

Type material.

NHMUK 1939.3.17.18, one paratype (ex Powell).

Remarks.

The holotype of this subspecies, which is supposedly of Pleistocene age, is in the Auckland Museum. Buckley et al. (2011) have revised the New Zealand Placostylus and showed that this taxon falls within the overall variation of Placostylus ambagiosus Suter, 1906.

Current systematic position.

Bothriembryontidae, Placostylus ambagiosus Suter, 1906.

Figures

Figure 12. Eumecostylus and Placostylus species. A, i Eumecostylus hargravesi (Cox, 1871), lectotype NHM 1880.12.11.43 (H = 65.0) B, ii Eumecostylus sanchristovalensis (Cox, 1870), lectotype NHM 1880.12.11.44 (H = 67.7) C, iii Placostylus cuninculinsulae (Cox, 1872), lectotype NHM 1880.12.11.47 (H = 41.6) D Placostylus ambagiosus Suter, 1906, paratype of Placostylus ambagiosus priscus Powell, 1938, NHM 1939.3.17.18 (H = 70.3).