Information about Predentary
The predentary is an 'extra' bone in the front of the lower jaw, which extended the dentary (the main lower jaw bone). It is found in the fossilised remains of ornithischian dinosaurs, which were herbivorous. The predentary coincided with the premaxilla in the upper jaw. Together they formed a beak-like apparatus used to clip off plant material. In ceratopsian dinosaurs, it opposes the rostral.
FOSSIL is a standard for allowing serial communication for telecommunications programs under the DOS operating system.
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jaw is either of the two opposable structures forming, or near the entrance to, the mouth.
The term jaws is also broadly applied to the whole of the structures constituting the vault of the mouth and serving to open and close it.
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The term jaws is also broadly applied to the whole of the structures constituting the vault of the mouth and serving to open and close it.
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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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Ornithischia
Seeley, 1888
Suborders
Ornithischia or Predentata is an order of beaked, herbivorous dinosaurs.
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Seeley, 1888
Suborders
- Cerapoda
- Thyreophora
Ornithischia or Predentata is an order of beaked, herbivorous 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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Herbivory is a form of predation in which an organism known as an herbivore, consumes principally autotrophs[1] such as plants, algae and photosynthesizing bacteria.
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The premaxilla is a pair of small cranial bones at the very tip of the jaws of many animals, usually bearing teeth, but not always. They are connected to the maxilla and the nasals.
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jaw is either of the two opposable structures forming, or near the entrance to, the mouth.
The term jaws is also broadly applied to the whole of the structures constituting the vault of the mouth and serving to open and close it.
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The term jaws is also broadly applied to the whole of the structures constituting the vault of the mouth and serving to open and close it.
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The beak, bill or rostrum is an external anatomical structure of birds which, in addition to eating, is used for grooming, manipulating objects, killing prey, probing for food, courtship, and feeding their young.
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Ceratopsia
Marsh, 1890
Families
Ceratopsia or Ceratopia
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Marsh, 1890
Families
- Archaeoceratopsidae
- Ceratopsidae
- Chaoyangsauridae
- Leptoceratopsidae
- Protoceratopsidae
- Psittacosauridae
Ceratopsia or Ceratopia
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The rostral bone is the edentulous (toothless) dorsal component of the skeleton of the beak, unique to (an 'autapomorphy' of) the ceratopsian dinosaurs.
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Herod_Archelaus
