Austrosiphonidae

The Austrosiphonidae are a taxonomic family of large sea snails, often known as whelks.

Genera

 * Antarctoneptunea Dell, 1972
 * Kelletia P. Fischer, 1884
 * Penion P. Fischer, 1884
 * Serratifusus Darragh, 1969
 * Synonyms:
 * Austrosipho Cossmann, 1906 : synonym of Penion P. Fischer, 1884
 * Berylsma Iredale, 1924 : synonym of Penion P. Fischer, 1884
 * Largisipho Iredale, 1929 : synonym of Penion P. Fischer, 1884
 * Verconella Iredale, 1914 : synonym of Penion P. Fischer, 1884 (unnecessary substitute name for Penion, by Iredale assumed to be a junior homonym of Penium Philippi, 1865.)