Ischyrhiza
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| Genus: | Ischyrhiza Leidy 1856
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Ischyrhiza is an extinct genus of sawfish from the Late Cretaceous and Early Paleogene, belonging to the primitive Batoidea family Sclerorhynchidae. Fossils of the genus have been found in Canada, the United States, the Aguja Formation of Mexico, the Tamayama Formation of Japan, the Dukamaje Formation of Niger, the El Molino Formation of Bolivia, the Quiriquina Formation of Chile, and the Chota Formation of Peru.[1]
References
- ^ Ischyrhiza at Fossilworks.org
Further reading
- Fossils (Smithsonian Handbooks) by David Ward (Page 205)
- The Paleobiology Database accessed on 8/21/09
 | This article about a prehistoric cartilaginous fish is a stub. You can help Wikipedia by expanding it. |
 | This article about a Cretaceous fish is a stub. You can help Wikipedia by expanding it. |
Categories:
- Prehistoric cartilaginous fish genera
- Cretaceous cartilaginous fish
- Paleocene fish
- Cretaceous fish of Africa
- Cretaceous Niger
- Fossils of Niger
- Cretaceous fish of Asia
- Fossils of Japan
- Paleogene fish of North America
- Paleogene United States
- Cretaceous fish of North America
- Cretaceous Canada
- Fossils of Canada
- Cretaceous Mexico
- Fossils of Mexico
- Cretaceous United States
- Fossils of the United States
- Demopolis Chalk
- Prehistoric fish of South America
- Late Cretaceous animals of South America
- Cretaceous Bolivia
- Fossils of Bolivia
- Cretaceous Chile
- Fossils of Chile
- Cretaceous Peru
- Fossils of Peru
- Fossil taxa described in 1856
- Prehistoric cartilaginous fish stubs
- Cretaceous fish stubs