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Genus of extinct shark-like fish
Parahelicampodus is an extinct genus of shark-like eugenodont fish. Fossils of Parahelicampodus have been uncovered in Eastern Greenland, which date to
Parahelicampodus
Extinct genus of cartilaginous fish
Campyloprion Parahelicoprion Helicoprion Agassizodus Toxoprion Sarcoprion Edestidae Syntomodus Lestrodus Edestus Helicampodus Parahelicampodus
Helicoprion
Extinct group of cartilaginous fishes
Helicampodontidae Genus Helicampodus Genus Hunanohelicoprion Genus Parahelicampodus Genus Sinohelicoprion Family Helicoprionidae Genus Agassizodus Genus
Eugeneodontiformes
Extinct order of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Cochliodontiformes
Extinct family of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Copodontidae
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Agassizodus
Cartilaginous fish in the order Chimaeriformes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Chimaera
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Heteropetalus
Extinct genus of cartilaginous fish
agreed with by Egil Nielsen in his 1952 description of Sarcoprion and Parahelicampodus. Svend Erik Bendix-Almgreem, in a 1976 paper, suggested that Parahelicoprion
Parahelicoprion
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Sinohelicoprion
Extinct genus of cartilaginous fish
Campyloprion Parahelicoprion Helicoprion Agassizodus Toxoprion Sarcoprion Edestidae Syntomodus Lestrodus Edestus Helicampodus Parahelicampodus
Romerodus
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Edestus
Extinct Chimaera genus
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Amylodon
Genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Neoharriotta
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Sarcoprion
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Helodus
Genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Harriotta
Family of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Rhinochimaeridae
Genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Callorhinchus
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Harpagofututor
Genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Chimaera_(genus)
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Harpacanthus
Extinct family of cartilaginous fishes
Helicoprion Agassizodus Toxoprion Sarcoprion (=Helicoprionidae) Edestidae Syntomodus Lestrodus Edestus Helicampodus Parahelicampodus (=Eugeneodontiformes)
Eugeneodontidae
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Agkistracanthus
Extinct genus of chimaera fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Ischyodus
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Echinochimaera
Extinct order of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Iniopterygiformes
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Psammodus
Genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Rhinochimaera
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Squaloraja
Species of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Cape_elephantfish
Genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Hydrolagus
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Orodus
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Myriacanthus
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Edaphodon
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Iniopteryx
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Macadens
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Belantsea
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Fadenia
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Ornithoprion
Extinct family of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Debeeriidae
Family of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Chimaeridae
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Debeerius
Group of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Holocephali
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Petalodus
Extinct order of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Petalodontiformes
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Metopacanthus
Extinct family of holocephalan cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Chondrenchelyiformes
Extinct family of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Edestidae
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Strigilodus
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Toxoprion
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Caseodus
Extinct family of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Helicoprionidae
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Polysentor
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Campyloprion
Extinct family of chimaeriform fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Myriacanthidae
Extinct order of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Orodontiformes
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Clavusodens
Extinct genus of fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Kanodus
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Paredestus
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Janassa
Thies, 1983 †Paraginglymostoma bloti Herman, 1982 †Parahelicampodus Nielsen, 1952 †Parahelicampodus spaercki Nielsen, 1952 †Parahelicoprion Karpinsky,
List of prehistoric cartilaginous fish genera
List_of_prehistoric_cartilaginous_fish_genera
Extinct genus of chimaeriform fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Chimaeropsis
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Protochimaera
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Karpinskiprion
Extinct order of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Menaspiformes
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Campodus
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Caseodontidae
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Chondrenchelys
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Alethodontus
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Lestrodus
Extinct Chimaera genus from the Jurassic
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Bathytheristes
Extinct family of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Gregoriidae
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Netsepoye
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Deltoptychius
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Menaspis
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Sandalodus
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Venustodus
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Acanthorhina
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Helicampodus
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Chomatodus
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Gilliodus
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Eugeneodus
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Antliodus
Extinct species of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Siksika_ottae
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Arpagodus
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Acmoniodus
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Erikodus
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Ctenoptychius
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Bealbonn
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Desmiodus
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Pirodus
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Megactenopetalus
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Syntomodus
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Brachymylus
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Batillodus
Extinct genus of cartilaginous fish
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Bobbodus
Extinct genus of chimaeras
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Canadodus
Extinct genus of cartilaginous fishes
Lestrodus Syntomodus? Helicampodontidae Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion
Ptyktoptychion
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