Information about Pristichampsus
| Pristichampsus Fossil range: Eocene | ||||||||||||||
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| Conservation status | ||||||||||||||
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Extinct (fossil) | ||||||||||||||
| Scientific classification | ||||||||||||||
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| Species | ||||||||||||||
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P. rollinatii (Gray, 1831) P. vorax (Troxell, 1925) P. hengdongensis (Li 1984) | ||||||||||||||
Pristichampsus was heavily armoured, with long limbs indicating a cursorial (i.e. running) lifestyle. Its toes had hoove-like unguls on them. Paleontologists hypothesise it hunted terrestrial mammals. Pristichampsus's teeth were laterally compressed, sharp and had serrated edges. Due to their similarity to those of certain theropod dinosaurs they were initially mistaken for theropod teeth, leading paleontologists to believe some dinosaurs survived the Cretaceous-Tertiary extinction event.
Several remains of Pristichampsus have been found around the world: P. rollinatii, the type species from the Lutetian of France; P. vorax from the Middle Eocene of Wyoming and and West Texas; P. hengdongensis from the Paleocene of the Hengdon Basin in China, P. birjukovi and P. kuznetzovi from the Middle Eocene of Eastern Kazakhstan; P. geiseltalensis and P. magnifrons from the Lutetian of Germany.
The Eocene epoch (55.8 ± 0.2 - 33.9 ± 0.1 Ma) is a major division of the geologic timescale and the second epoch of the Palaeogene period in the Cenozoic era. The Eocene spans the time from the end of the Paleocene epoch to the beginning of the Oligocene epoch.
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conservation status of a species is an indicator of the likelihood of that species continuing to survive either in the present day or the future. Many factors are taken into account when assessing the conservation status of a species: not simply the number remaining, but the
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- For other uses of the term, see Fossil (disambiguation)
FOSSIL is a standard for allowing serial communication for telecommunications programs under the DOS operating system.
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Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. Scientific classification also can be called scientific taxonomy, but should be distinguished from folk taxonomy, which lacks scientific basis.
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Chordata
Bateson, 1885
Typical Classes
See below
Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Bateson, 1885
Typical Classes
See below
Chordates (phylum Chordata) are a group of animals that includes the vertebrates, together with several closely related invertebrates.
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Sauropsida ("lizard-face") is a group of amniotes that includes reptiles, dinosaurs, and birds. Among amniotes, sauropsida is distinguished from theropsida ("beast-face"), also called synapsids.
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Taxonomy
Classification to order level, after Benton, 2004...... Click the link for more information.
Crocodilia
Owen, 1842
Families
Crocodilia
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Owen, 1842
black: range of Crocodilia
Families
- Gavialidae
- Alligatoridae
- Crocodylidae
Crocodilia
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Crocodylidae
Cuvier, 1807
Genera
A crocodile is any species belonging to the family Crocodylidae
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Cuvier, 1807
Genera
- Mecistops
- Crocodylus
- Osteolaemus
A crocodile is any species belonging to the family Crocodylidae
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Crocodilia
Owen, 1842
Families
Crocodilia
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Owen, 1842
black: range of Crocodilia
Families
- Gavialidae
- Alligatoridae
- Crocodylidae
Crocodilia
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Cursorial is a biological term that describes an organism as being adapted specifically to run. It is typically used in conjunction with an animal's feeding habits or another important adaptation.
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- Palaeontology redirects here. For the scientific journal, see Palaeontology (journal).
Paleontology, palaeontology or palæontology (from Greek: paleo, "ancient"; ontos
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Mammalia
Linnaeus, 1758
Subclasses & Infraclasses
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Linnaeus, 1758
Subclasses & Infraclasses
- Subclass †Allotheria*
- Subclass Prototheria
- Subclass Theria
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Teeth (singular, tooth) are structures found in the jaws (or mouths) of many vertebrates that are used to tear, scrape, and chew food. Some animals, particularly carnivores, also use teeth for hunting or defense. The roots of teeth are covered by gums.
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Theropoda
Marsh, 1881
Infraorders
Theropods ('beast feet') are a group of bipedal saurischian dinosaurs.
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Marsh, 1881
Infraorders
- Carnosauria
- Ceratosauria
- Deinonychosauria
- Ornithomimosauria
- Oviraptorosauria
Theropods ('beast feet') are a group of bipedal saurischian dinosaurs.
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Dinosauria *
Owen, 1842
Orders & Suborders
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Owen, 1842
Orders & Suborders
- Ornithischia
- Cerapoda
- Thyreophora
- Saurischia
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The Lutetian is a stage of the Eocene Epoch. It spans the time between 48.6 ± 0.2 Ma and 40.4 ± 0.2 Ma (million years ago).
It is usually united with the Bartonian to form the Middle Eocene subepoch.
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It is usually united with the Bartonian to form the Middle Eocene subepoch.
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The Lutetian is a stage of the Eocene Epoch. It spans the time between 48.6 ± 0.2 Ma and 40.4 ± 0.2 Ma (million years ago).
It is usually united with the Bartonian to form the Middle Eocene subepoch.
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It is usually united with the Bartonian to form the Middle Eocene subepoch.
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