Grampidelphis exilis Iredale & Troughton, 1933

Parnaby, Harry E., Ingleby, Sandy & Divljan, Anja, 2017, Type Specimens of Non-fossil Mammals in the Australian Museum, Sydney, Records of the Australian Museum 69 (5), pp. 277-420 : 341

Grampidelphis exilis Iredale & Troughton, 1933

Rec. Aust. Mus. 19(1): 32, figs 1–5, plate x. (2August 1933).

Common name. Risso’s Dolphin.

Current name. Grampus griseus (G. Cuvier, 1812) , following Perrin (2009b).

Holotype. S.1776 by original designation. Female, skull and complete skeleton, stranded on 28 February 1927. Purchased from “Harry Hay and Party”, registered June 1927 .

Condition. Incomplete cranium, missing posterior half of the right zygomatic arch; both dentaries missing angular processes; left dentary has three teeth only, and right dentary only four teeth. Skeleton complete, each flipper has been wired to a board.

Type locality. From the Ocean Beach at Manly, Sydney, NSW, Australia.

Paratype. S.1832 by original designation. Male , skull and atlas bone, stranded on 18 February 1929 on Dee Why Beach , north of Manly , Sydney , NSW. Presented by Dee Why Surf and Life Saving Club, registered on 26 February 1929 .

Comments. The type series consists of two specimens; registration numbers for both are cited in the original description. We were unable to locate or determine the fate of the coloured body cast mentioned in the original description. Photographs of the skulls of both specimens are given in the original description. See Hershkovitz (1961) for a scathing critique of Iredale & Troughton’s justification for proposing Grampidelphis as a replacement name for Grampus .