Chelicerata Heymons, 1901 †Eurypterida Burmeister, 1843 - eurypterids †Eurypterina Burmeister, 1843 Superfamily †'Eurypteroidea' Burmeister, 1843 [monophyletic?] Family †Dolichopteridae Kjellesvig-Waering & Størmer, 1952 Genus †Dolichopterus Hall, 1859