Bispira

Bispira is a genus of marine bristleworm in the family Sabellidae. Its members were initially included in genus "Sabella" by Grube in 1851. In 1856, Krøyer described "Bispira" as a separate genus. Members of "Bispira" are defined by spirally-coiled, equally-divided branchial lobes.
Species.
According to the World Register of Marine Species, "Bispira" contains 31 valid species: