Subfamily Tachypleinae Pocock 1902 (horseshoe crab)
Xiphosura - Xiphosurida - Limulidae
Parent taxon: Limulidae according to R. D. C. Bicknell et al. 2021
See also Dunlop et al. 2012 and Størmer 1955
Sister taxa: Albalimulus, Allolimulus, Casterolimulus, Guangyuanolimulus, Heterolimulus, Keuperlimulus, Limulinae, Limulitella, Limulus priscus, Mesolimulus, Sloveniolimulus, Tarracolimulus, Victalimulus, Volanalimulus, Yunnanolimulus
Subtaxa: Carcinoscorpius Tachypleus
Type: Tachypleus
Ecology: nektobenthic carnivore
Distribution: