Theropod meaning beast feet are a group of bipedal dinosaurs. Although they were primarily carnivorous, a number of theropod families evolved herbivory during the Cretaceous Period. Theropods first appeared during the Carnian age of the Late Triassic about 230 million years ago and were the sole large terrestrial carnivores from the Early Jurassic until the close of the Cretaceous, about 65 million years ago. Today, they are represented by the 9,300 living species of birds, which evolved in the Late Jurassic from small specialized coelurosaurian dinosaurs.
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| - Theropod meaning beast feet are a group of bipedal dinosaurs. Although they were primarily carnivorous, a number of theropod families evolved herbivory during the Cretaceous Period. Theropods first appeared during the Carnian age of the Late Triassic about 230 million years ago and were the sole large terrestrial carnivores from the Early Jurassic until the close of the Cretaceous, about 65 million years ago. Today, they are represented by the 9,300 living species of birds, which evolved in the Late Jurassic from small specialized coelurosaurian dinosaurs.
- Theropods are any of numerous carnivorous dinosaurs that lived from the Triassic period to the Cretaceous period. Most had powerful jaws, three fingers, and almost all ate meat. The theropods came in many sizes and shapes, and they were among the most successful carnivores to ever walk the earth. Most had relatively short arms, though some, like the spinosaurs, had long powerful arms that were used for a variety of purposes. Most carnivores actually had relatively small heads, with the exceptions of tyrannosaurids, spinosaurids, and carcharodontosaurids. Theropods were also the ancestors of all birds today, many of the smaller theropods like the dromaoesaurs share over a hundred features with birds, and birds are therefore part of the clade Theropoda.
- Theropods ('beast foot') are a group of bipedal saurischian dinosaurs. Although they were primarily carnivorous, a number of theropod families evolved herbivory, during the Cretaceous Period. Theropods first appear during the Carnian age of the Late Triassic about 220 million years ago (mya) and were the sole large terrestrial carnivores from the Early Jurassic until the close of the Cretaceous, about 65 million years ago. Today, they are represented by the 9,300 living species of birds, which evolved in the Late Jurassic from small specialized coelurosaurian dinosaurs.
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| - Infraorders & Superfamilies
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| - T. rex foot
- Picture taken at Field Museum of Natural History, Chicago
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| - * Coelophysoidea
* Ceratosauria
** Abelisauroidea
* Megalosauroidea
* Carnosauria
* Coelurosauria
** Tyrannosauroidea
** Ornithomimosauria
** Oviraptorosauria
** Therizinosauria
** Deinonychosauria
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| - Theropods ('beast foot') are a group of bipedal saurischian dinosaurs. Although they were primarily carnivorous, a number of theropod families evolved herbivory, during the Cretaceous Period. Theropods first appear during the Carnian age of the Late Triassic about 220 million years ago (mya) and were the sole large terrestrial carnivores from the Early Jurassic until the close of the Cretaceous, about 65 million years ago. Today, they are represented by the 9,300 living species of birds, which evolved in the Late Jurassic from small specialized coelurosaurian dinosaurs. Among the features linking theropods to birds are the three-toed foot, a furcula (wishbone), air-filled bones and (in some cases) feathers and brooding of the eggs.
- Theropod meaning beast feet are a group of bipedal dinosaurs. Although they were primarily carnivorous, a number of theropod families evolved herbivory during the Cretaceous Period. Theropods first appeared during the Carnian age of the Late Triassic about 230 million years ago and were the sole large terrestrial carnivores from the Early Jurassic until the close of the Cretaceous, about 65 million years ago. Today, they are represented by the 9,300 living species of birds, which evolved in the Late Jurassic from small specialized coelurosaurian dinosaurs.
- Theropods are any of numerous carnivorous dinosaurs that lived from the Triassic period to the Cretaceous period. Most had powerful jaws, three fingers, and almost all ate meat. The theropods came in many sizes and shapes, and they were among the most successful carnivores to ever walk the earth. Most had relatively short arms, though some, like the spinosaurs, had long powerful arms that were used for a variety of purposes. Most carnivores actually had relatively small heads, with the exceptions of tyrannosaurids, spinosaurids, and carcharodontosaurids. Theropods were also the ancestors of all birds today, many of the smaller theropods like the dromaoesaurs share over a hundred features with birds, and birds are therefore part of the clade Theropoda.
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