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- Schizorhiza abstract "Schizorhiza is a fossil genus of cartilaginous fish, containing a single accepted species Schizorhiza stromeri. Its fossils are found in rocks dating from the Campanian and Maastrichtian stages; it thus lived between about 83.6 and 66 million years ago. Its Mesozoic suborder, the Sclerorhynchoidea, cannot be unequivocally assigned to the Rajiformes (skate and ray) or to the Pristiformes (sawfish) order. Due to its unique rostral teeth, Schizorhiza is placed in the monotypic subfamily Schizorhizinae. Like all Sclerorhynchoidea, it probably did not survive the Cretaceous–Paleogene extinction event; there are a few remains from the Paleogene but these seem to have been reworked from Late Cretaceous deposits.Schizorhiza is unique among all "saw-snouted" Elasmobranchii in that its rostral teeth did not fall off as they are replaced. Rather, they remain in place, with the new teeth under them, until they are worn off. Thus, the rostrum's edge had a continuous serrated cover of tooth enamel. Full-grown rostral teeth measured less than in other Sclerorhynchoidea, let alone sawfishes, at 1-2 cm tall and 4-8 mm wide. They had a small triangular or rhomboidal shape at the tip, with sharp cutting edges, and a long forked peduncle, each lobe of which divides into four lobelets proximally. The new teeth developed inside the peduncular fork; the scientific name Schizorhiza – meaning "split root" – refers to the shape of the rostral teeth. The oral teeth were very small (about 1.5-2.5 mm high and 1-2 mm wide), with a large and recurved central point and keels at the side that formed tiny secondary points.It lived in the Tethys Ocean between about 30° northern and southern latitude, and apparently was a successful species that ranged widely. Its fossils have been found in northern and central Africa, Iraq, Italy, Texas (USA), Coahuila (Mexico) and Bolivia. As its rostrum seems to be well-adapted for slashing and of little use for digging, it is presumed that this species did not share the whip-like tail of the bottom-dwelling relative Sclerorhynchus, but apart from the peculiar rostrum must have looked not too different from one of the sawfishes of today, regardless of whether they were very close relatives or not. Its total length was about 1.5 meters.Its habitat was apparently shallow or epicontinental seas, as evidenced by its associated fauna, the cartilaginous fish Pseudocorax, Scapanorhynchus texanus and Serratolamna serrata, and the molluscs Cymprimera, Ethmocardium, Eutrephoceras, Platyceramus vanuxemi, Sphenodiscus and Turritella vertibroides.".
- Schizorhiza class Chondrichthyes.
- Schizorhiza class Elasmobranchii.
- Schizorhiza family Sclerorhynchidae.
- Schizorhiza kingdom Animal.
- Schizorhiza order Batoidea.
- Schizorhiza order Sclerorhynchoidea.
- Schizorhiza phylum Chordate.
- Schizorhiza synonym "Schizorhiza weileri".
- Schizorhiza wikiPageExternalLink (2)Kirkland.pdf.
- Schizorhiza wikiPageID "14412264".
- Schizorhiza wikiPageLength "4493".
- Schizorhiza wikiPageOutDegree "65".
- Schizorhiza wikiPageRevisionID "671501117".
- Schizorhiza wikiPageWikiLink Africa.
- Schizorhiza wikiPageWikiLink Anatomical_terms_of_location.
- Schizorhiza wikiPageWikiLink Animal.
- Schizorhiza wikiPageWikiLink Animalia.
- Schizorhiza wikiPageWikiLink Batoidea.
- Schizorhiza wikiPageWikiLink Bolivia.
- Schizorhiza wikiPageWikiLink Campanian.
- Schizorhiza wikiPageWikiLink Cartilaginous_fish.
- Schizorhiza wikiPageWikiLink Category:Cretaceous_fish.
- Schizorhiza wikiPageWikiLink Category:Prehistoric_fish_of_Africa.
- Schizorhiza wikiPageWikiLink Category:Rays.
- Schizorhiza wikiPageWikiLink Chondrichthyes.
- Schizorhiza wikiPageWikiLink Chordata.
- Schizorhiza wikiPageWikiLink Chordate.
- Schizorhiza wikiPageWikiLink Coahuila.
- Schizorhiza wikiPageWikiLink Cretaceous–Paleogene_extinction_event.
- Schizorhiza wikiPageWikiLink Cymprimera.
- Schizorhiza wikiPageWikiLink Elasmobranchii.
- Schizorhiza wikiPageWikiLink Epicontinental.
- Schizorhiza wikiPageWikiLink Ethmocardium.
- Schizorhiza wikiPageWikiLink Eutrephoceras.
- Schizorhiza wikiPageWikiLink Fauna.
- Schizorhiza wikiPageWikiLink Fish_anatomy.
- Schizorhiza wikiPageWikiLink Flora_and_fauna_of_the_Maastrichtian_stage.
- Schizorhiza wikiPageWikiLink Fossil.
- Schizorhiza wikiPageWikiLink Genus.
- Schizorhiza wikiPageWikiLink Habitat.
- Schizorhiza wikiPageWikiLink Inland_sea_(geology).
- Schizorhiza wikiPageWikiLink Iraq.
- Schizorhiza wikiPageWikiLink Italy.
- Schizorhiza wikiPageWikiLink Late_Cretaceous.
- Schizorhiza wikiPageWikiLink Latitude.
- Schizorhiza wikiPageWikiLink List_of_prehistoric_cartilaginous_fish_(Chondrichthyes).
- Schizorhiza wikiPageWikiLink List_of_prehistoric_cartilaginous_fish_genera.
- Schizorhiza wikiPageWikiLink Maastrichtian.
- Schizorhiza wikiPageWikiLink Mesozoic.
- Schizorhiza wikiPageWikiLink Mexico.
- Schizorhiza wikiPageWikiLink Mollusc.
- Schizorhiza wikiPageWikiLink Mollusca.
- Schizorhiza wikiPageWikiLink Mouth.
- Schizorhiza wikiPageWikiLink Nomenclature.
- Schizorhiza wikiPageWikiLink Order_(biology).
- Schizorhiza wikiPageWikiLink Paleogene.
- Schizorhiza wikiPageWikiLink Platyceramus.
- Schizorhiza wikiPageWikiLink Pristiformes.
- Schizorhiza wikiPageWikiLink Pseudocorax.
- Schizorhiza wikiPageWikiLink Rajiformes.
- Schizorhiza wikiPageWikiLink Revista_Mexicana_de_Ciencias_Geológicas.
- Schizorhiza wikiPageWikiLink Reworked_fossil.
- Schizorhiza wikiPageWikiLink Rhomboid.
- Schizorhiza wikiPageWikiLink Rhomboidal.
- Schizorhiza wikiPageWikiLink Rostrum_(anatomy).
- Schizorhiza wikiPageWikiLink Sawfish.
- Schizorhiza wikiPageWikiLink Scapanorhynchus.
- Schizorhiza wikiPageWikiLink Scientific_name.
- Schizorhiza wikiPageWikiLink Sclerorhynchidae.
- Schizorhiza wikiPageWikiLink Sclerorhynchoidea.
- Schizorhiza wikiPageWikiLink Sclerorhynchus.
- Schizorhiza wikiPageWikiLink Serratolamna_serrata.
- Schizorhiza wikiPageWikiLink Species.
- Schizorhiza wikiPageWikiLink Sphenodiscus.
- Schizorhiza wikiPageWikiLink Subfamily.
- Schizorhiza wikiPageWikiLink Suborder.
- Schizorhiza wikiPageWikiLink Tethys_Ocean.
- Schizorhiza wikiPageWikiLink Texas.
- Schizorhiza wikiPageWikiLink Tooth_enamel.
- Schizorhiza wikiPageWikiLink Triangle.
- Schizorhiza wikiPageWikiLink Triangular.
- Schizorhiza wikiPageWikiLink Turritella.
- Schizorhiza wikiPageWikiLink USA.
- Schizorhiza wikiPageWikiLink United_States.
- Schizorhiza wikiPageWikiLink Vertebrate_fauna_of_the_Maastrichtian_stage.
- Schizorhiza wikiPageWikiLinkText "Schizorhiza stromeri".
- Schizorhiza wikiPageWikiLinkText "Schizorhiza weileri".
- Schizorhiza wikiPageWikiLinkText "Schizorhiza".
- Schizorhiza binomial "Schizorhiza stromeri".
- Schizorhiza binomialAuthority "Weiler, 1930".
- Schizorhiza classis Chondrichthyes.
- Schizorhiza familia Sclerorhynchidae.
- Schizorhiza fossilRange "Campanian-Maastrichtian".
- Schizorhiza genus "Schizorhiza".
- Schizorhiza genusAuthority "Weiler, 1930".
- Schizorhiza hasPhotoCollection Schizorhiza.
- Schizorhiza ordo "see text".
- Schizorhiza phylum Chordata.
- Schizorhiza phylum Chordate.