Cretorectolobus
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''Cretorectolobus'' is an extinct
carpet shark Carpet sharks are sharks classified in the order Orectolobiformes . Sometimes the common name "carpet shark" (named so because many species resemble ornately patterned carpets) is used interchangeably with "wobbegong", which is the common name o ...
. It was described by G.R. Case in 1978, and the type species is ''C. olsoni'', which existed during the Campanian in
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...
and the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
. Another species, ''C. gracilis'', was described by Charlie J. Underwood and Mitchell in 1999, from the
Hauterivian The Hauterivian is, in the geologic timescale, an age in the Early Cretaceous Epoch or a stage in the Lower Cretaceous Series. It spans the time between 132.9 ± 2 Ma and 129.4 ± 1.5 Ma (million years ago). The Hauterivian is preceded by the Va ...
to
Barremian The Barremian is an age in the geologic timescale (or a chronostratigraphic stage) between 129.4 ± 1.5 Ma (million years ago) and 121.4 ± 1.0 Ma). It is a subdivision of the Early Cretaceous Epoch (or Lower Cretaceous Series). It is preceded ...
strata of the
Speeton Clay Formation The Speeton Clay Formation (SpC)Speeton Clay Formation
- England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...
. The species epithet refers to the shark's teeth, which Underwood and Mitchell described as gracile and narrow in form.C.J. Underwood & Mitchell, 1999. ''Albian and Cenomanian selachian assemblages from north-east England.'' Special Papers in Palaeontology, 60, January 1999: 9-56. A new species, ''C. robustus'', was described from the
Cenomanian The Cenomanian is, in the ICS' geological timescale, the oldest or earliest age of the Late Cretaceous Epoch or the lowest stage of the Upper Cretaceous Series. An age is a unit of geochronology; it is a unit of time; the stage is a unit in the s ...
of
Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...
by Underwood and Stephen L. Cumbaa in 2010.Charlie J. Underwood and Stephen L. Cumbaa (2010). "Chondrichthyans from a Cenomanian (Late Cretaceous) bonebed, Saskatchewan, Canada". Palaeontology 53 (4): 903–944. .


Species

* ''C. olsoni'' Case, 1978 * ''C. gracilis'' Underwood & Mitchell, 1999 * ''C. robustus'' Underwood & Cumbaa, 2010


Fossil distribution

Fossils of ''Cretorectolobus'' have been found in:''Cretorectolobus''
at
Fossilworks Fossilworks is a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database The Paleobiology Database is an online resource for information on the distribution and classification of fossil animals ...
.org
;Hauterivian-Barremian *
Speeton Clay Formation The Speeton Clay Formation (SpC)Speeton Clay Formation
- Cedar Mountain Formation, Utah * Kolbay, Kazakhstan ;Cenomanian * Saskatchewan, Canada ;Campanian *
Aguja Formation The Aguja Formation is a geological formation in North America, exposed in Texas, United States and Chihuahua and Coahuila in Mexico, whose strata date back to the Late Cretaceous. Dinosaur remains are among the fossils that have been recovered f ...
, Mexico * Dinosaur Park Formation, Alberta * Judith River Formation, Saskatchewan, Canada and Montana, United States *
Mesaverde Group The Mesaverde Group is a Late Cretaceous stratigraphic group found in areas of Colorado, New Mexico, Utah, and Wyoming, in the Western United States. History The Mesaverde Formation was first described by W.H.Holmes in 1877 during the Hayden ...
, Wyoming *
Åsen Åsen is a village in Levanger municipality in Trøndelag county, Norway. The village is located between the lakes Hammervatnet and Hoklingen. The European route E06 highway and the Nordlandsbanen railway line both pass through the village. Th ...
and Ignaberga, Sweden ;Maastrichtian *
Kemp Clay Formation Kemp may refer to: Places * Kemp, Illinois * Kemp, Ohio * Kemp, Oklahoma * Kemp, Texas * Kemp Land and Kemp Coast, Antarctica * Kemp Town, a 19th-century estate in East Sussex, England * Kemps Corner, place in India People * Kemp (surname) * K ...
, Texas *
Bakla Hill In the Philippines, a baklâ (), bayot ( Cebuano) or agî ( Hiligaynon) is a person who was assigned male at birth and has adopted a feminine gender expression. They are often considered a third gender. Many bakla are exclusively attracted to ...
, Ukraine


References

Orectolobiformes Prehistoric cartilaginous fish 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 {{cretaceous-fish-stub