Post by Deleted on Feb 23, 2021 9:34:34 GMT
A blog for discussing prehistoric birds, fish, mammals, etc.
Pronunciation: Hel-e-co-pree-on
Meaning of name: "Spiral saw".
Species: H. bessonowi, H. davisii and H. ergasaminon
Size: Uncertain. Size probably varied between species.
Family: Agassizodontidae.
Diet: Carnivore/piscivore.
First fossils found: Known mostly from "tooth whorls" discovered in Russia, Australia, the United States, China, Mexico, Kazakhstan, Norway, Canada, Japan and Laos. H. bessonowi and H. davisii named in 1899. H. ergasaminon named in 1966.
Lived: 290.1 to 268.8 million years ago from the Asselian stage of the Early Permian to the Roadian stage of the Middle Permian in warm oceans worldwide.
Helicoprion tooth whorl
Pronunciation: Hel-e-co-pree-on
Meaning of name: "Spiral saw".
Species: H. bessonowi, H. davisii and H. ergasaminon
Size: Uncertain. Size probably varied between species.
Family: Agassizodontidae.
Diet: Carnivore/piscivore.
First fossils found: Known mostly from "tooth whorls" discovered in Russia, Australia, the United States, China, Mexico, Kazakhstan, Norway, Canada, Japan and Laos. H. bessonowi and H. davisii named in 1899. H. ergasaminon named in 1966.
Lived: 290.1 to 268.8 million years ago from the Asselian stage of the Early Permian to the Roadian stage of the Middle Permian in warm oceans worldwide.
Helicoprion tooth whorl
