What did the saurischian dinosaur eat?

Examples of Saurischians The Sauropodomorpha walked on all fours and were herbivores. Since they needed very little thought for munching vegetables, they had smaller brains than their carnivorous cousins. They also had long tails and a large complex digestive system to help them process their food.

What is the difference between ornithischian and saurischian dinosaurs?

The Dinosauria contains two major groups of dinosaurs: the Ornithischia, or “bird-hipped” dinosaurs, and the Saurischia, or “lizard-hipped” dinosaurs. In saurischian dinosaurs, this bone points toward the front of the animal, and flares into a keel at the forward end.

What characteristics separates from saurischian dinosaurs from the ornithischian dinosaurs?

The Saurischian Dinosaurs What distinguishes saurischians (among other major characteristics; including a grasping hand, asymmetrical fingers, and a long, mobile neck) is the pubis that points downward and forward at an angle to the ischium. The saurischians form two major groups.

Is Triceratops a saurischian?

Towering giants such as Tyrannosaurus rex and Apatosaurus are both saurischians, but many plant-eating dinosaurs, including Triceratops and Stegosaurus, are classified as ornithiscians—which means bird-hipped—because their pubis bone was originally thought to resemble that of birds.

What were the two major types of dinosaurs?

With the discovery of many new species since the 1840s, the Dinosauria now contains two major groups of dinosaurs: the Ornithischia, or “bird-hipped” dinosaurs, and the Saurischia, or “lizard-hipped” dinosaurs. The division between the two groups was made by H.G. Seeley in 1888.

What are the 2 main types of dinosaurs?

The two great groupings, or “orders”, of dinosaur were established by the British palaeontologist Harry Seeley in 1887. He distinguished dinosaurs by their hip structure: saurischian dinosaurs were “lizard-hipped”, ornithischian dinosaurs “bird-hipped”.

Who found the Sauroposeidon?

Dr. Richard Cifelli
The four neck vertebrae were discovered in 1994 at the Antlers Formation in Atoka County, Oklahoma by Dr. Richard Cifelli and a team from the Oklahoma Museum of Natural History.

What kind of carnivores did the saurischians have?

Saurischia The ‘lizard-hipped’ dinosaurs, one of the two dinosaur orders. They included bipedal carnivores (Theropoda) and herbivorous tetrapods (Sauropoda). The theropods produced the largest known terrestrial carnivores, and the sauropods yielded the largest known land animals.

Is the saurischian outside the Eusaurischia?

Any saurischian that diverged before the theropod-sauropodomorph split is therefore outside clade Eusaurischia. One alternative hypothesis challenging Seeley’s classification was proposed by Robert T. Bakker in his 1986 book The Dinosaur Heresies.

How did the dinosaur Saurischia get its name?

Saurischia, (Greek for “Lizard hipped”), is one of two major orders used to distinguish and classify dinosaurs, the other being Ornithischia. The name is derived from the method used to classify the animals, as dinosaurs classified under the saurischia branch are done so because they retain the ancestral bone configuration within their hips.

Which is more numerous the saurischians or the ornithischians?

Ornithischians were herbivorous dinosaurs and were more numerous than saurischian dinosaurs in terms of population count. Ornithischian dinosaurs have a hip structure where the pubis points backwards and runs parallell to the ischium.