List of xiphosuran genera

This list of xiphosurans is a listing of all genera in the class Xiphosura, excluding purely vernacular terms. The list includes 39 genera.

• Extinct genera are marked with a dagger (†).
• Extant genera are bolded.

Limulus polyphemus

Mesolimulus walchi

Tachypleus tridentatus

Genus	Authors	Year
†Anacontium	Raymond	1944
†Archeolimulus	Chlupác	1963
†Austrolimulus	Riek	1955
†Bellinuroopsis	Chernyshev	1933
†Bellinurus	Meek & Worthen	1865
†Bembicosoma	Laurie	1899
†Bunaia	Clarke	1920
†Bunodella	Matthew	1889
†Bunodes	Eichwald	1854
Carcinoscorpius	Pocock	1902
†Casterolimulus	Holland, Erickson & O'Brien	1975
†Cyamocephalus	Currie	1927
†Elleria	Raymond	1944
†Euproops	Meek	1876
†Heterolimulus	Via Boada & de Villalta	1966
†Kasibelinurus	Pickett	1993
†Kiaeria	Størmer	1934
†Legrandella	Eldredge	1974
†Lemoneites	Flower	1969
†Limulitella	Størmer	1952
†Limuloides	Woodward	1865
Limulus	Müller	1785
†Liomesaspis	Raymond	1944
†Lunataspis	Rudkin, Young & Nolan	2005
†Mesolimulus	Størmer	1952
†Moravurus	Pribyl	1967
†Neobelinuropsis	Eller	1938
†Neolimulus	Woodward	1868
†Paleolimulus	Dunbar	1923
†Palaeomerus
†Pasternakevia	Selden & Drygant	1987
†Pringlia	Raymond	1944
†Protolimulus	Packard	1886
†Psammonlimulus	Lange	1923
†Pseudoniscus	Nieszkowski	1859
†Rolfeia	Waterston	1985
Tachypleus	Leach	1819
†Valloisella	Racheboeuf	1992
†Victalimulus	Riek & Gill	1971
†Weinbergina	Richter & Richter	1929
†Willwerathia	Størmer	1969
†Xaniopyramis	Siveter & Selden	1987

See also

• Horseshoe crab
• Living fossil