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Species / Conchothyra Australis


Original Description of Pugnellus australis by Marshall, 1916:

  • ”Shell of moderately large size, turreted, carinate. Sculpture consists of a conspicuous nodulose spiral rib on the carina, showing 9 nodes on the part of the body-whorl that is not hidden by the very large callosity of the lips. Two other less conspicuous nodulous spiral ribs on the body-whorl. A large number of fine spiral striae on the body-whorl—in, all, about 50. Nodules on the body-carina extend backward as ridges, gradually decreasing in size, and disappearing near the suture. Nodules also extended forward and bent round towards the aperture. Nodules near the callosity of the outer lip less pronounced. Spire of 4 whorls, each whorl convex, with a nearly flat base. Suture linear, slightly canaliculate. Aperture narrowly oval, rounded at the top, but with 2 rudimentary canals at the base. Columella straight. Callosity of the outer lip very large—18 mm. wide. It extends over the top of the spire, and unites with the callosity of the inner lip, and together they cover about half of the body-whorl. The middle part of the outer lip is produced into a prominent rounded claw, with a scaly structure. Columella, straight.”

Locus typicus: Wangaloa, South Otago, South Island, New Zealand

Stratum typicum: Paleocene

Measurements: Height, 47 mm.; width, 40 mm

History and Synonymy


Pugnellus australis in Trechman, 1917, pl. XX, fig. 2a, 2b

Pugnellus australis Marshall, 1916; Maastrichtian?, Cretaceous; Wangaloa, Otago, South Island, New Zealand; 41 mm; Coll. BM(NH), No. G.27420; figured in Trechman, 1917, pl. XX, fig 2a and 2b; Copyright BM(NH)


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