Fusus colosseus Lamarck, 1816

1816 Fusus collosseus Lamarck: 6, pl. 427, fig. 2

1822 Fusus colosseus Lamarck: 122, sp. no. 1

1832 Fusus colosseus (Lamarck) Deshayes: 155

1840a Kiener: 50, pl. 25

Type locality: not stated.

Material in MHNG, Lamarck collection: no material. Rosalie de Lamarck’s marginal notations indicate that there were originally 2 specimens in her father’s collection. These 2 syntypes have not been found and the only specimen in the Delessert collection does not match the size given by Lamarck (11 pouces 4 lignes = about 307 mm). The Delessert specimen measures 365 mm.

Remarks: the original spelling was emended to colosseus by W. Wood (1818): 125, pl. 26, fig. 72.

Current taxonomic position: Hemifusus colosseus (Lamarck, 1816); is the type species of Hemifusus Swainson, 1840 [ Melongenidae].