Limulidae
Aglaspididae
Archeolimulus Chlupác, 1963
Beckwithiidae
Bembicosoma Laurie, 1900
Bunaia Clarke, 1920
Bunodella Matthew, 1888
Casterolimulus Holland, Erickson & O'Brien, 1975
Cyamocephalus Currie, 1927
Elleria Raymond, 1944
Heterolimulus Via Boada & de Villalta, 1966
Legrandella
Limulitella Størmer, 1952
Limuloides Salter, 1857
Limulus polyphemus Linnaeus, 1758
Limulus walchi
Mesolimulus Størmer, 1952
Moravurus Pribyl, 1967
Neobelinuropsis Eller, 1938
Neolimulus Woodward, 1868
Paleolimulidae Raymond, 1944
Paleomeridae
Pasternakevia Selden & Drygant, 1987
Psammonlimulus
Pseudoniscus Nieszkowski, 1859
Rolfeia Waterston, 1985
Strabopidae
Tachypleus Leach, 1819
Valloisella Racheboeuf, 1992
Victalimulus Riek & Gill, 1971
Weinbergina Richter, 1929
