About: Petalodontiformes   Sponge Permalink

An Entity of Type : owl:Thing, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

Petalodontiformes ("petal or flattened teeth") is a group of extinct marine cartilaginous fish related to modern day Chimaeras found in what is now the United States of America and Europe. With a very few exceptions, they are known entirely from teeth. All fossils range from the Carboniferous to the Permian, where they are presumed to have died out during the Permian/Triassic Extinction Event. The two best known species are Belantsea montana, of Carboniferous Bear Gulch, Montana, and Janassa bituminosa, of Permian Europe, as whole fossil specimens have been found of these two.

AttributesValues
rdfs:label
  • Petalodontiformes
rdfs:comment
  • Petalodontiformes ("petal or flattened teeth") is a group of extinct marine cartilaginous fish related to modern day Chimaeras found in what is now the United States of America and Europe. With a very few exceptions, they are known entirely from teeth. All fossils range from the Carboniferous to the Permian, where they are presumed to have died out during the Permian/Triassic Extinction Event. The two best known species are Belantsea montana, of Carboniferous Bear Gulch, Montana, and Janassa bituminosa, of Permian Europe, as whole fossil specimens have been found of these two.
sameAs
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dbkwik:fossil/prop...iPageUsesTemplate
Name
  • Petalodontiformes
Caption
  • Belantsea montana
fossil range
imagewidth
  • 250(xsd:integer)
Families
  • * Janassidae * Pristodontidae * Petalodontidae * Belantseidae
abstract
  • Petalodontiformes ("petal or flattened teeth") is a group of extinct marine cartilaginous fish related to modern day Chimaeras found in what is now the United States of America and Europe. With a very few exceptions, they are known entirely from teeth. All fossils range from the Carboniferous to the Permian, where they are presumed to have died out during the Permian/Triassic Extinction Event. The two best known species are Belantsea montana, of Carboniferous Bear Gulch, Montana, and Janassa bituminosa, of Permian Europe, as whole fossil specimens have been found of these two.
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