theropods, any member of the dinosaur subgroup Theropoda, which includes all the flesh-eating dinosaurs. Theropods were the most diverse group of saurischian (“lizard-hipped”) dinosaurs, ranging from the crow-sized Microraptor to the huge Tyrannosaurus rex, which weighed six tons or more.

Unlike the sauropod saurischians, all the theropods were obligate bipeds; that is, their hind legs provided support and locomotion while the short forelimbs and mobile hands were probably adapted for grasping and tearing prey. Despite the group’s name, which means “beast (i.e., mammal) foot,” theropod feet usually resembled those of birds. Birds are descended from one lineage of small theropods and therefore are members of Theropoda.

Three major theropod groups are generally recognized. Ceratosaurs were the first and ranged in size from the small Coelophysis to Ceratosaurus, which approached Allosaurus in size. Succeeding the early ceratosaurs were the tetanurans, comprising the carnosaurs (including Allosaurus) and the coelurosaurs (a larger group that includes Tyrannosaurus, dromaeosaurs, and Ornithomimus, among others). Coelurosaurs and carnosaurs both had many hollow bones and sharp, recurved teeth along the entire length of their jaws.

Theropod remains have been recovered from all continents except Antarctica and from the Middle Triassic through the Late Cretaceous Epoch (from 245 million to 65.5 million years ago). The earliest theropod is thought to be Eodromaeus, a 1.2-metre- (4-foot-) long dinosaur known from fossils discovered in northwestern Argentina that date to about 230 million years ago.

Dinosaurs VIII : Theropoda - Megalosauroidea and Carnosauria :bird-wat:

Megatheropods - "The Largest Killers To Walk The Earth"

The Most Accurate T. rex Ever Reconstructed? :bird-screm1:

Prehistoric Planet episode 1: Coasts :bird-screm-2:

The New Look of Spinosaurus :sicko-spin:

The Raptor That Made Us Rethink Dinosaurs :bird-mad:

2001 Walking With Dinosaurs The Ballad Of Big Al :comrade-birdie:

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  • Frogmanfromlake [none/use name]
    ·
    2 years ago

    Read an old forum comment about the 4kids One Piece dub that said, "4KIDS RUINED ONE PIECE. SANJI SOUNDS LIKE A N*****!" Anime fans always keep it classy