Excerpt from Marine Investigations in South Africa, Vol. 5
The animal has large, rather flattened tentacles, the sole of the foot not narrow, with distinct margins, the wings high, meeting behind and connecting with the tail; on the mantle no aperture could be detected, the somewhat grayish gill 22 mm. Long by a height of 10 and a thickness of 6, nearly its half freely projecting, the number Of groups of lamellae about 15.
The shell 23 cm. In length with a breadth of 2 and a height Of about 05; of quite usual form, with a thin calcified, very fragile layer and a rather large cuticular margin.
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