Weinbergina
Limuloides
Euproops
Limulus
Tachypleus
Stylonurus
Baltoeurypterus
Chasmataspis
Diploaspis
Octoberaspis
Prokoenenia
Eukoenenia
Plesiosiro
Charinus
Phrynus
Mastigoproctus
Proschizomus
Stenochrus
Protoschizomus
Liphistius
Aphonopelma
Hypochilus
Palaeocharinus
Gilboarachne
Chthonius
Neobisium
Feaella
Chelifer
Eremocosta
Galeodes
Terpsicroton
Poliochera
Cryptocellus
Ricinoides
Neocarus
Siamacarus
Glyptholaspis
Australothyrus
Allothyrus
Amblyomma
Argas
Alycus
Palaeacarus
Archegozetes
Allothrombium
Microcaeculus
Cyphophthalmus
Chileogovea
Caddo
Leiobunum
Sclerobunus
Gonyleptes
Prearcturus
Palaeoscorpius
Stoermeroscorpio
Proscorpius
Centruroides
Hadrurus
Heterometrus