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Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia
clade Euthyneura
clade Nudipleura
clade Nudibranchia
clade Dexiarchia
clade Cladobranchia
clade Dendronotida
Superfamily: Tritonioidea
Family: Hancockiidae

Hancockiidae is a family of sea slugs, nudibranchs, marine gastropod mollusks in the superfamily Tritonioidea.

This family is within the clade Cladobranchia (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).


The family Hancockiidae has no subfamilies and only one genus. It is closely allied to the family Dotidae.


The family Hancockiidae has only one valid genus:

  • Hancockia, the type genus
  • Govia Trinchese, 1885 is considered to be a synonym and its type species Govia rubra Trinchese, 1885 is considered to be a synonym of Hancockia uncinata, type species of the genus Hancockia.