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Edaphodon hesperis, the Glossary

Edaphodon hesperis was a prehistoric chimaeriform fish species belonging to the genus Edaphodon, of which all the species are now extinct.^[1]

9 relations: Batoidea, Chimaera, Chondrichthyes, Cretaceous, Edaphodon, Fish, Genus, Shark, Species.
Callorhinchidae

Batoidea

Batoidea is a superorder of cartilaginous fishes, commonly known as rays.

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Chimaeras are cartilaginous fish in the order Chimaeriformes, known informally as ghost sharks, rat fish, spookfish, or rabbit fish; the last three names are not to be confused with rattails, Opisthoproctidae, or Siganidae, respectively.

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Chondrichthyes

Chondrichthyes is a class of jawed fish that contains the cartilaginous fish or chondrichthyans, which all have skeletons primarily composed of cartilage.

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Cretaceous

The Cretaceous is a geological period that lasted from about 145 to 66 million years ago (Mya).

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Edaphodon

Edaphodon was a fish genus of the family Callorhinchidae (sometimes assigned to Edaphodontidae). Edaphodon hesperis and Edaphodon are Callorhinchidae.

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Fish

A fish (fish or fishes) is an aquatic, anamniotic, gill-bearing vertebrate animal with swimming fins and a hard skull, but lacking limbs with digits.

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Genus

Genus (genera) is a taxonomic rank above species and below family as used in the biological classification of living and fossil organisms as well as viruses.

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Shark

Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head.

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Species

A species (species) is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction.

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References

[1] https://en.wikipedia.org/wiki/Edaphodon_hesperis