Eurypterida - Adelophthalmidae
Parent taxon: Adelophthalmus according to Jordan 1854
See also Kjellesvig-Waering 1958
Sister taxa: Adelophthalmus approximatus, Adelophthalmus asturica, Adelophthalmus brasdorense, Adelophthalmus cambieri, Adelophthalmus carbonarius, Adelophthalmus chinensis, Adelophthalmus corneti, Adelophthalmus douvillei, Adelophthalmus dubius, Adelophthalmus dumonti, Adelophthalmus granosus, Adelophthalmus imhofi, Adelophthalmus irinae, Adelophthalmus kamyshtensis, Adelophthalmus kidstoni, Adelophthalmus lohesti, Adelophthalmus luceroensis, Adelophthalmus mansfieldi, Adelophthalmus mazonensis, Adelophthalmus moyseyi, Adelophthalmus nebraskensis, Adelophthalmus pennsylvanicus, Adelophthalmus perornatus, Adelophthalmus piussii, Adelophthalmus pruvosti, Adelophthalmus pyrrhae, Adelophthalmus raniceps, Adelophthalmus sellardsi, Adelophthalmus sievertsi, Adelophthalmus waterstoni, Adelophthalmus wilsoni, Adelophthalmus zadrai, Lepidoderma imhofi
Subtaxa: none
Ecology: nektobenthic carnivore
Distribution: there are no occurrences of Adelophthalmus (Eurypterus) in the database