Weinbergina

Limuloides

Euproops

Tachypleus

Limulus

Stylonurus

Baltoeurypterus

Octoberaspis

Diploaspis

Chasmataspis

Chileogovea

Cyphophthalmus

Leiobunum

Caddo

Gonyleptes

Sclerobunus

Proscorpius

Stoermeroscorpio

Palaeoscorpius

Prearcturus

Centruroides

Heterometrus

Hadrurus

Eukoenenia

Prokoenenia

Microcaeculus

Allothrombium

Alycus

Archegozetes

Palaeacarus

Poliochera

Terpsicroton

Ricinoides

Cryptocellus

Siamacarus

Neocarus

Argas

Amblyomma

Glyptholaspis

Allothyrus

Australothyrus

Galeodes

Eremocosta

Chelifer

Feaella

Neobisium

Chthonius

Gilboarachne

Palaeocharinus

Hypochilus

Aphonopelma

Liphistius

Plesiosiro

Phrynus

Charinus

Proschizomus

Mastigoproctus

Protoschizomus

Stenochrus