Callianassa is a genus of mud shrimps, in the family Callianassidae.

Three of the species in this genus (C. candida, C. tyrrhena and C. whitei) have been split off into a new genus, Pestarella,[3] while others such as Callianassa filholi have been moved to Biffarius.

[4] The genus is named after the Nereid of the Greco-Roman mythology.

Six species are currently recognised in the genus Callianassa:[2] Several species are known from the fossil record, including: This Axiidea article is a stub.

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