Arcturus is a genus of crustaceans belonging to the family Arcturidae.
Species of the genus include: Arcturus acuticaudalis Arcturus asper Arcturus baffini Arcturus beringanus Arcturus caribbaeus Arcturus crassispinis Arcturus crenulatus Arcturus diversispinis Arcturus granulatus Arcturus hastatus Arcturus hastiger Arcturus longispinis Arcturus macrurus Arcturus magnispinis Arcturus ochotensis Arcturus parvus Arcturus pawneeanus Arcturus primus Arcturus scabrosus Arcturus seminudus Arcturus setosus Arcturus subtilis Arcturus tarasovi Arcturus ulbani Arcturus verrucosus
Furthermore, as taxon inquirendum in some schemes: Arcturus brevicornis Or of doubtful inclusion: Arcturus kilepoae [Synonym?]
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