Arthropoda
Alanops Racheboeuf, Vannier & Anderson, 2002
Alkenopterus Stormer, 1974
Angarocaris Tchernyshev, 1953
Anthraconectes Meek & Worthen, 1868
Baltoeurypterus Størmer, 1973
Bassipterus
Beaumontia David, 1928
Bembycosoma Laurie, 1900
Borchgrevingkium
Borchgrevinkium Novojilov, 1958
Brachopterella
Brachyopterella Kjellesvig-Waering, 1966
Brachyopterus Størmer, 1951
Campylocephalus Eichwald, 1860
Caragassia Vologdin, 1965
Carbonolimulus Hong, 1985
Chasmataspis
Clarkeipterus Kjellesvig-Waering, 1966
Crania Hirst & Maulik, 1926
Curviramus Ruedemann, 1935
Cyrtoctenus Stormer & Waterston, 1968
Diploaspis Stormer, 1972
Drepanopterus Laurie, 1893
Dubbolimulus Pickett, 1984
Dunsopterus Waterston, 1968
Echinognathus Walcott, 1882
Eocarcinosoma
Eocarcinsoma Caster & Kjellesvig-Waering, 1964
Eolimulus Bergstrom, 1968
Eurypterella Matthew, 1889
Eurypteridae
Eusarcana Strand, 1942
Eusarcus Grote & Pitt, 1875
Exoculatus Pirozhnikov, 1966
Flobertia Hessel, 1992
Gdowia Yanishevsky, 1950
Girardevia Andreeva, 1957
Glaucodes Pruvost, 1924
Grossopterus Størmer, 1935
Hallipterus Kjellesvig-Waering, 1963
Hardieopterus Waterson, 1979
Hastimima Seward, 1909
Heteroaspis Stormer, 1972
Hibbertopterus Kjellesvig-Waering, 1959
Holmipterus Kjellesvig-Waering, 1979
Hughmilleriidae
Ikeyia Vologdin, 1965
Iyaia Vologdin, 1965
Jaekelopterus
Kiaeropterus Waterson, 1979
Kodymirus Chlupac & Havlicek, 1965
Kokomopterus Kjellesvig-Waering, 1966
Lamontopterus Waterson, 1979
Lanarkopterus Ritchie, 1968
Laurieipterus Kjellesvig-Waering, 1966
Laurieopterus
Limulicubichnus Miller, 1982
Mazonipterus Kjellesvig-Waering, 1963
Moselopterus Stormer, 1974
Mycteropidae Cope, 1886
Nanahughmilleria Kjellesvig-Waering, 1961
Offacolus Orr, Siveter, Briggs, Siveter & Sutton, 2000
Onychopterella Størmer, 1951
Pagea Waterston, 1962
Palatinaspis Malz & Poschmann, 1993
Parahughmillera
Parahughmilleria Kjellesvig-Waering, 1961
Parastylonurus Kjellesvig-Waering, 1966
Parka Fleming, 1864
Pittsfordipterus
Polystomurum Novozhilov, 1958
Pseudostylonurus Xie & Xie, 1989
Pterygotidae
Raaschichnus Hesselbo, 1988
Rhenopterus Stormer, 1936
Rhinocarcinosoma
Ruedemannipterus Kjellesvig-Waering, 1966
Sanctacarus
Selenichnites Romano & Whyte, 1990
Strobilopterus Ruedemann, 1935
Stylonarus Page, ?, 1856
Stylonurella Kjellesvig-Waering, 1966
Stylonuridae
Stylonuroides Kjellesvig-Waering, 1966
Stylonurus Page, 1856
Synaustrus Riek, 1964
Syntomopterus Kjellesvig-Waering, 1961
Tarsopterella Størmer, 1951
Thurandina Stormer, 1974
Tremaglaspis Fortey & Rushton, 2003
Triopus Barrande, 1872
Truncatiramus Kjellesvig-Waering, 1961
Tuboculops Hessel, 1992
Tylopterella Støormer, 1951
Tylopterus Clarke & Ruedemann, 1912
Vernonopterus Waterston, 1968
Willwerathia Stormer, 1969
Woodwardopterus Kjellesvig-Waering, 1959
Xaniopyramis Siveter & Selden, 1987
Xiphosura