clade Hypsogastropoda See text.

Austrofusus is a genus of medium-sized sea snails or whelks, marine gastropod molluscs in the family Buccinidae, the true whelks.

Two extant species Austrofusus glans and A. chathamensis are endemic to New Zealand waters,[1][2] but most species are extinct and there is an abundant fossil record within the country.

[3] Austrofusus glans is not closely related to other extant New Zealand buccinid whelks, and is instead related to the Northern Hemisphere genus Colus.

[4] Species within the genus Austrofusus include: