† Euselachii unranked genus & species

† Acondylacanthus nuperus (John & Worthen, 1884) - Middle Paleozoikum locality: Eagle Co. Peru, IL; Tuscawara

genus: † Adamantina

† Adamantina benedictae (Bendix-Almgreen, 1993) - Upper Perm locality: Kap Stosch, Eastern Greenland

† Adamantina foliacea (Ivanov, 1999) - Upper Carbon locality: River Sikaza, Arctic Russia

genus: † Aganacanthus

† Aganacanthus striatulus (Traquair, 1884) - Lower Carbon locality: Edinburgh, Scotland

genus: † Amacanthus

† Amacanthus gibbosus (Newbwerry& Worthen, 1866) - Mezozoikum locality: St.Louis, MO

genus: † Amelacanthus

† Amelacanthus sulcatus (Agassiz, 1857) - Middle Paleozoikum locality: Gila Co., AZ; Penn.: Cass/Sarpy Co., NB; England

genus: † Anareodus

† Anareodus statei (Long & Young, 1995) - Upper Devon locality: Victoria Land, Antarctica

genus: † Antacanthus

† Antacanthus insignis (Dewalque, 1877) - Lower Carbon locality: Belgium

genus: † Areyonga

† Areyonga oerbigi (Young, 1997) Type locality: Amadeus Basin, Central Australia

genus: † Atamantina

† Atamantina foliaca (Ivanov, 1999) - Upper Devon & Lower Perm locality: Novaya Zemlaya, N.Russia

genus: † Batacanthus

† Batacanthus baculiformis (John & Worthen, 1875) - Lower Carbon

genus: † Bolivacanthus

† Bolivacanthus sagitalis (Gagnier, et.al., 1988) - Lower Devon locality: Seripona, Chuquisaca, Bolivia

genus: † Botriolepis

† Botriolepis groenlandica (Heintz, 1930) - Upper Devon locality: Ymer Island, East Greenland

genus: † Bulbocanthus

† Bulbocanthus rugosus (Bryant, 1932) - locality: Bear Tooth Butte, WY

genus: † Bythiacanthus

† Bythiacanthus siderus (Leidy) - Lower Paleozoikum locality: Eagle Co.

† Bythiacanthus vanhornei (John & Worthen, 1875) - Paleozoikum locality: Cass/Sarpy Co. Alton, IL

genus: † Chalazacanthus

† Chalazacanthus verrucosus (Davis, 1883) - Lower Carbon locality: Bristol, England

genus: † Cosmacanthus

† Cosmacanthus elgans (Evans, 1904) - Trias locality: Paris Canyon, ID

† Cosmacanthus malcolmsoni (Agassiz, 1844) - Devon locality: Elgin, England

genus: † Crassidonta

† Crassidonta stuckenbergi (Branson, 1916) - Lower Perm locality: Western Australia

genus: † Cynopodius

† Cynopodius crenulatus (Traquair, 1916) - Lower Carbon locality: Scotland

genus: † Doliodus

† Doliodus problematicus (Turner & Miller, 2002) - locality: Campellton/Atholville, New Brunswick, Canada

genus: † Ellesmereia

† Ellesmereia schultzei (Vieth, 1980) - Type locality: Man on the Hill, NW Territory, Canada

genus: † Euctenodopsis

† Euctenodopsis tenuis (Wellburn, 1901) - Lower Carbon locality: Lancashire, England

genus: † Euphyacanthus

† Euphyacanthus semistriatus (Traquair, 1894) - Lower Carbon locality: Edinburg, Scotland

genus: † Geisacanthus

† Geisacanthus stellatus (John & Worthen, 1875) - Mezozoikum locality: St.Louis, MO

genus: † Gladbachus

† Gladbachus adentatus (Heidtke & Kraetschmer, 2001) locality: Bergisch Gladbach, Spnov, Germany

genus: † Glossodus

† Glossodus linguabouis (White & Moy-Thomas, 1940) - Lower Carbon locality: Armagh, Ireland

genus: † Glymmatacanthus

† Glymmatacanthus irishi (John & Worthen, 1875) - Mezozoikum locality: LeGrande, IO

genus: † Gnathacanthus

† Gnathacanthus triangularis (Davis) - Lower Carbon locality: Armagh, Ireland

genus: † Gondwanodus

† Gondwanodus irwenensis (Daymond, 1999) locality: Perth Basin, West. Australia

genus: † Lispacanthus

† Lispacanthus retrogradus (Davis, 1883) - Lower Carbon locality: Armagh, Ireland

genus: † Lophacanthus

† Lophacanthus tailori (Stock, 1880) - Upper Carbon locality: Newsham, England

genus: † Maplemillia

† Maplemillia costata (Gross, 1973) - Upper Devon locality: Washington Co.

genus: † Margaritacanthus

† Margaritacanthus margaritatus (White & Moy-Thomas, 1940) - Middle Carbon locality: Moscow, Russia

genus: † Multidentodus

† Multidentodus typicus (Harlon, 1933) - Mezozoikum locality: Deadmans Canyon, Otero

genus: † Ostinaspis

† Ostinaspis coronata (Trautschold, 1879) - Middle Carbon locality: Mjatschkowa, Russia

genus: † Ostracanthus

† Ostracanthus dilatus (Davis, 1879) - Upper Carbon locality: Yorkshire, England

genus: † Palaeospondylus

† Palaeospondylus gunni (Traquair, 1903) - Devon locality: Scotland

genus: † Phyllolepis

† Phyllolepis orvini (Heintz, 1930) - Upper Devon locality: Ymer Island, East Greenland

genus: † Pilolepis

† Pilolepis margaritifera (Thorstein, 1973) locality: Cornwallis Island, Canada

genus: † Pleisioselachus

† Pleisioselachus macracanthus (Anderson, Long & Hiller, 1999) - Upper Devon locality: Grahamstown, South Africa

genus: † Poecilodus

† Poecilodus obliquus - Carbon locality: Gelncart, Scotland, sp. - Perm.: W.Australia

genus: † Ptychacanthus

† Ptychacanthus sublaevis (Agassiz, 1837)- Lower Carbon locality: Scotland

genus: † Pucapampella

† Pucapampella rodrigae (Janvier & Suarez-Riglos, 1986) locality: Bolivia

genus: † Raineria

† Raineria osswaldi (Oswald, 1929) locality: Austria

genus: † Rhamphodus

† Rhamphodus dispar (Davis, 1883) - Lower Carbon locality: Armagh, Ireland

genus: † Scolopodus

† Scolopodus striatus “oklahomensis” (Harlton, 1933)

genus: † Stichacanthus

† Stichacanthus coemansi (Dekoninck, 1878) - Lower Carbon locality: Belg.

genus: † Thaumatacanthus

† Thaumatacanthus blandfordi (Waagen, 1878) - Upper Perm locality: Pakistan

genus: † Tomodus

† Tomodus convexus - Carbon locality: Queensland, Australia; Beith, Scotland

genus: † Tubulacanthus

† Tubulacanthus sulcatus (Fritsch, 1889) - Perm locality: Kounova, Slovakia

genus: † Turnovichthys

† Turnovichthys magnus (Stamberg, 2001) - locality: Turnov, Bohemia, Czeck.