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Extinct genus of cartilaginous fish
Helicoprion is an extinct genus of large shark-like cartilaginous fish that lived from the Early to the Middle Permian, about 290-270 million years ago
Helicoprion
Extinct genus of cartilaginous fish
Helicoprionidae to which Parahelicoprion belongs. The genus name refers to Helicoprion, another eugeneodont from the Ural Mountains that bore a similar tooth
Parahelicoprion
Extinct group of cartilaginous fishes
to the superfamily Edestoidea, the former containing genera such as Helicoprion and Parahelicoprion, and the latter containing genera such as Edestus
Eugeneodontiformes
Extinct genus of cartilaginous fish
have ever existed up to that point. Like its other relatives, such as Helicoprion, and unlike modern sharks, the species of Edestus grew teeth in curved
Edestus
Extinct genus of cartilaginous fishes
older than Helicoprion suggests, but does not prove, that it is a direct ancestor of Helicoprion. Campyloprion teeth resemble those of Helicoprion, but the
Campyloprion
Extinct genus of cartilaginous fish
anatomy of the distantly related genus Helicoprion. Postcranial remains of edestoids, the superfamily to which Helicoprion belongs, are entirely unknown, leaving
Romerodus
Extinct family of cartilaginous fishes
genus Helicoprion), while others such as Sarcoprion and Parahelicoprion possessed shorter whorls. Lebedev, O. A. (2009). "A new specimen of Helicoprion Karpinsky
Helicoprionidae
Extinct genus of cartilaginous fish
partially with the cranium. This differs greatly from related genera such as Helicoprion, in which the palatoquadrates were large and specialized, and potentially
Ornithoprion
Extinct genus of cartilaginous fishes
similarities to another eugeneodont, Helicoprion, the tooth row of Toxoprion does not coil back on itself, as seen in Helicoprion, but instead forms a downward
Toxoprion
Extinct genus of cartilaginous fish
Karpinskiprion ivanovi, which was originally described as a species of the genus Helicoprion and later as Campyloprion. Three specimens of Karpinskiprion have been
Karpinskiprion
Fifth period of the Paleozoic Era
S2CID 86174861. Martin 2008. Lebedev, O.A. (2009). "A new specimen of Helicoprion Karpinsky, 1899 from Kazakhstanian Cisurals and a new reconstruction
Carboniferous
Extinct family of cartilaginous fishes
spiral-tooth whorl: CT images reveal novel adaptation and phylogeny in fossil Helicoprion". Biology Letters. 9 (2). doi:10.1098/rsbl.2013.0057. PMC 3639784. PMID 23445952
Edestidae
Cartilaginous fish in the order Chimaeriformes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Chimaera
Extinct genus of cartilaginous fishes
Sinohelicoprion (meaning "Chinese spiral saw" or "Chinese Helicoprion") is an extinct genus of eugeneodontid fish that lived during the late Permian and
Sinohelicoprion
Class of jawed cartilaginous fish
spiral-tooth whorl: CT images reveal novel adaptation and phylogeny in fossil Helicoprion". Biology Letters. 9 (2) 20130057. doi:10.1098/rsbl.2013.0057. PMC 3639784
Chondrichthyes
Extinct genus of cartilaginous fish
182. ISBN 978-0-593-59807-8. Lebedev, O. A. (2009). "A new specimen of Helicoprion Karpinsky, 1899 from Kazakhstanian Cisurals and a new reconstruction
Sarcoprion
First series of the Permian
diverse than modern times as the climate warmed. Unusual sharks such as Helicoprion continued in this series. Early Permian terrestrial faunas were dominated
Cisuralian
Sixth and last period of the Paleozoic Era
the most famous Permian representative being the "buzz-saw shark" Helicoprion, known for its unusual spiral shaped spiral tooth whorl in the lower
Permian
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Janassa
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Antliodus
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Menaspis
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Deltoptychius
Geologic formation in the northwestern United States
scales and bones. Most "tooth whorls" of the enigmatic cartilaginous fish Helicoprion are known from the formation, including the only known specimen with
Phosphoria_Formation
Russian and Soviet geologist and mineralogist
fossil fish genus Karpinskiprion and the disused fossil fish species Helicoprion karpinskii The lunar crater Karpinsky The Karpinsky Group of volcanoes
Alexander_Karpinsky
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Edaphodon
Extinct family of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Copodontidae
Extinct family of cartilaginous fishes
Eugeneodus Gilliodus Edestoidea Agassizodontidae Campyloprion Parahelicoprion Helicoprion Agassizodus Toxoprion Sarcoprion (=Helicoprionidae) Edestidae Syntomodus
Eugeneodontidae
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Metopacanthus
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Protochimaera
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Chomatodus
Genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Neoharriotta
qomolangma Zhang, 1976 †Helicoprion Karpinsky, 1899 †Helicoprion bessonowi Karpinsky, 1899 †Helicoprion davisi Woodward, 1886 †Helicoprion ergassaminon Bendix-Almgreen
List of prehistoric cartilaginous fish genera
List_of_prehistoric_cartilaginous_fish_genera
Extinct order of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Orodontiformes
Genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Rhinochimaera
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Harpacanthus
Extinct genus of cartilaginous fish
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Debeerius
Extinct order of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Cochliodontiformes
Genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Harriotta
Family of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Rhinochimaeridae
Genus of extinct shark-like fish
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Parahelicampodus
length. The largest known eugeneodont is an as-yet unnamed species of Helicoprion discovered in Idaho. The specimens suggest an animal that possibly exceeded
Largest_prehistoric_animals
Group of cartilaginous fish
by processing prey between its paired tooth-whorls, while the related Helicoprion may have been a specialist hunter of belemnoids and ammonoids. The poorly-known
Holocephali
Geologic formation in Texas and New Mexico, US
including fusulinids, corals, and crinoids. Other fossils include the shark Helicoprion, the ammonoids Pseudogastrioceras and Perrinites hilli, the nautiloid
Cutoff_Formation
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Polysentor
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Squaloraja
Extinct family of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Debeeriidae
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Agassizodus
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Echinochimaera
Extinct genus of cartilaginous fish
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Helodus
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Orodus
Ecosystem
limestone formation contains marine gastropods, brachiopods and ammonites. Helicoprion davisii List of fossiliferous stratigraphic units in Texas Paleontology
Word_Formation
Extinct genus of chimaeriform fish
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Chimaeropsis
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Strigilodus
Genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Chimaera_(genus)
Extinct genus of cartilaginous fish
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Caseodus
Extinct order of cartilaginous fish
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Iniopterygiformes
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Alethodontus
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Belantsea
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Fadenia
Family of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Chimaeridae
Genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Callorhinchus
Extinct genus of cartilaginous fish
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Heteropetalus
Species of cartilaginous fish
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Cape_elephantfish
Extinct genus of cartilaginous fish
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Psammodus
Extinct genus of cartilaginous fish
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Paredestus
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Harpagofututor
Extinct family of holocephalan cartilaginous fish
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Chondrenchelyiformes
Fictional monster, or kaiju
【パルワールド】鉄の採掘用にガメラみたいの捕まえたけど自分で掘った方が早いな Kaiju skins for Archelon and Helicoprion updated in March 2024 were based on Gamera and Guiron. Project Anime
Gamera
Genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Hydrolagus
†Helemacanthus †Helemacanthus incurvus †Helicelasma †Helicelasma selectum †Helicoprion †Helicoprion davisii †Helodus †Helodus rugosus †Helodus subpolitus – type locality
List of the Paleozoic life of Wyoming
List_of_the_Paleozoic_life_of_Wyoming
Extinct genus of fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Kanodus
Extinct order of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Petalodontiformes
Extinct family of chimaeriform fish
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Myriacanthidae
Extinct order of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Menaspiformes
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Helicampodus
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Iniopteryx
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Petalodus
for species †Hedraites †Helcionella †Helicoprion †Helicoprion davisii – type locality for species †Helicoprion ergassaminon – type locality for species
List of the Paleozoic life of Idaho
List_of_the_Paleozoic_life_of_Idaho
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Clavusodens
Pronunciation: /prɪɒn/. Origin: Ancient Greek πριὢν. Meaning: saw. Examples: Helicoprion ('spiral saw'); Ornithoprion ('bird saw'); Onychoprion ('claw saw');
List of commonly used taxonomic affixes
List_of_commonly_used_taxonomic_affixes
Wildlife documentary television series parts
sailfish, Leedsichthys, whale shark, Megapiranha, red bellied piranha, Helicoprion, Dunkleosteus, white sturgeon, Rhizodus, saltwater crocodile Wade calls
List of River Monsters episodes
List_of_River_Monsters_episodes
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Macadens
Extinct genus of cartilaginous fish
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Ctenoptychius
species †Heintzella playfordi †Helicoplacus †Helicoplacus gilberti †Helicoprion †Helicoprion davisii †Helicotoma †Helicotoma griffinorum – type locality for
List of the Paleozoic life of California
List_of_the_Paleozoic_life_of_California
Extinct genus of cartilaginous fish
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Venustodus
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Lestrodus
Extinct Chimaera genus
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Amylodon
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Caseodontidae
Extinct genus of cartilaginous fish
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Myriacanthus
†Gunterichthys – type locality for genus †Hamptonia †Haplophrentis †Hazelia †Helicoprion †Hematites †Hemirhodon †Hindia[clarification needed] †Hintzeia †Homagnostus
List of the prehistoric life of Utah
List_of_the_prehistoric_life_of_Utah
†Fallotaspis †Favosites †Fenestella †Gogia †Halysites †Helicoplacus †Helicoprion †Helicoprion davisii †Heliomeroides †Hercynella †Holopea †Hyolithes †Illaenus
List of the prehistoric life of California
List_of_the_prehistoric_life_of_California
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Netsepoye
Extinct genus of cartilaginous fish
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Eugeneodus
Extinct Chimaera genus from the Jurassic
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Bathytheristes
Extinct genus of chimaera fish
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Ischyodus
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Chondrenchelys
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Sandalodus
Extinct genus of cartilaginous fishes
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Campodus
Extinct genus of cartilaginous fish
Hunanohelicoprion Parahelicampodus Sinohelicoprion Helicoprionidae Agassizodus Helicoprion Karpinskiprion Parahelicoprion Sarcoprion Shaktauites Toxoprion †Itapyrodidae
Gilliodus
†Gypospirifer condor †Helicoconchus – type locality for genus †Helicoprion †Helicoprion davisii †Helminthochiton †Hercosestria †Hoffmannia – report made
List of the prehistoric life of Texas
List_of_the_prehistoric_life_of_Texas
HELICOPRION
HELICOPRION
HELICOPRION
HELICOPRION
HELICOPRION
HELICOPRION
HELICOPRION
HELICOPRION
HELICOPRION