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Rajorhina

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Extinct genus of cartilaginous fishes

Rajorhina
Temporal range: Upper Cretaceous
A fossil of the Rajorhina expansa. It's set into stone. It has a kite-like shape, having a square body and tail behind it.
Rajorhina expansa
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Order: Rajiformes
Family: Rajidae
Genus: Rajhorina
Jaekel, 1894

Rajorhina is an extinct genus of stingray-like skate from the Upper Cretaceous of what is now Lebanon. It is the only known fossil-only genus of the family Rajidae The genus is typified by a Rhombus form.

From its taxonomy a few things have been inferred about it. It likely lived in a marine environment and it was phosphatic based on its subphylum. It was actively mobile and a carnivore.

References

  1. ^ Jaekel, Otto (1894). Die eocänen Selachier vom Monte Bolca : ein Beitrag zur Morphogenie der Wirbelthiere (in German). Berlin: J. Springer. p. 93. doi:10.5962/bhl.title.8458. OCLC 5472176. Archived from the original on 2021-01-17. Retrieved 2021-07-03.
  2. ^ "Rajorhina". mindat.org. Hudson Institute of Mineralogy. Archived from the original on 2021-07-03. Retrieved 2021-07-03.
  3. "Kipping-Fossils". 2014-07-14. Archived from the original on 2014-07-14. Retrieved 2021-07-03.
  4. Nelson, Joseph S.; Grande, Terry C.; Wilson, Mark V. H. (2016-03-16). Fishes of the World. John Wiley & Sons. p. 85. ISBN 978-1-119-22081-7. Archived from the original on 2021-07-03. Retrieved 2021-07-03.

External links

Taxon identifiers
Rajorhina


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