†Cirquella Fri 1993 (trilobite)
Parent taxon: Olenellida according to J. J. Sepkoski 2002
Sister taxa: Angustolenellus, Campropallus, Fallotaspidella, Judomiella, Lenallina, Mesolenellus, Mesonacis, Olenelloides, Pelmanaspis, Postfallotaspis, Pseudojudomia, Selindella, Sinskia, Wolynaspis
Subtaxa: none
Ecology: fast-moving low-level epifaunal carnivore