Cretorectolobus
| Cretorectolobus | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Order: | Orectolobiformes |
| Family: | Orectolobidae |
| Genus: | †Cretorectolobus Case, 1978 |
Cretorectolobus is an extinct carpet shark. It was described by G.R. Case in 1978, and the type species is C. olsoni, which existed during the Campanian in Canada and the United States. Another species, C. gracilis, was described by Charlie J. Underwood and Mitchell in 1999, from the Hauterivian to Barremian strata of the Speeton Clay Formation of England. The species epithet refers to the shark's teeth, which Underwood and Mitchell described as gracile and narrow in form.[1] A new species, C. robustus, was described from the Cenomanian of Canada by Underwood and Stephen L. Cumbaa in 2010.[2]
Species
[edit]- †Cretorectolobus olsoni Case, 1978
- †Cretorectolobus gracilis Underwood & Mitchell, 1999
- †Cretorectolobus robustus Underwood & Cumbaa, 2010
Fossil distribution
[edit]Fossils of Cretorectolobus have been found in:[3]
- Hauterivian-Barremian
- Speeton Clay Formation, England
- Albian
- Cedar Mountain Formation, Utah
- Kolbay, Kazakhstan
- Cenomanian
- Saskatchewan, Canada[2]
- Campanian
- Aguja Formation, Mexico
- Dinosaur Park Formation, Alberta
- Judith River Formation, Saskatchewan, Canada and Montana, United States
- Mesaverde Group, Wyoming
- Åsen and Ignaberga, Sweden
- Maastrichtian
- Kemp Clay Formation, Texas
- Bakla Hill, Ukraine
References
[edit]- ^ C.J. Underwood & Mitchell, 1999. Albian and Cenomanian selachian assemblages from north-east England. Special Papers in Palaeontology, 60, January 1999: 9-56.
- ^ a b Charlie J. Underwood and Stephen L. Cumbaa (2010). "Chondrichthyans from a Cenomanian (Late Cretaceous) bonebed, Saskatchewan, Canada". Palaeontology 53 (4): 903–944. doi:10.1111/j.1475-4983.2010.00969.x.
- ^ Cretorectolobus at Fossilworks.org
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- Orectolobidae
- Prehistoric shark genera
- Early Cretaceous first appearances
- Hauterivian life
- Barremian life
- Albian life
- Cenomanian life
- Campanian life
- Maastrichtian life
- Late Cretaceous genus extinctions
- Cretaceous fish of Europe
- Cretaceous fish of North America
- Fossils of Canada
- Paleontology in Alberta
- Paleontology in Saskatchewan
- Fossils of England
- Fossils of Kazakhstan
- Fossils of Sweden
- Fossils of Ukraine
- Fossils of the United States
- Paleontology in Montana
- Paleontology in Texas
- Paleontology in Utah
- Paleontology in Wyoming
- Fossil taxa described in 1978
- Prehistoric shark stubs
- Cretaceous fish stubs