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20 Cards in this Set
- Front
- Back
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What type of pelvis does a Saurischian have?
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3 pronged and the pubis is faced forward. sets apart from Ornithischians.
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ALL carnivores are from what class of dinosaur?
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Saurischian
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When did all non-avian saurischians become extinct by?
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the end of the cretaceous
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What class of dino did avians descend from?
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Saurischian
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Who were the largest land dwelling animals ever?
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Titanosaurias
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What was one of the earliest sauropods?
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Plesion Shunosaurus
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What are Prosauropoda known for?
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the earliest hollow boned long necked dinos.
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Who were often prey for therapods?
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Ornithischians
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What is the pelvis of a Ornithischian like?
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Backward pelvis, parallel to ischium.
front pelvis with four prongs |
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What is the feeding mode of Ornithischinas, and how did they travel and live?
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herbivores living in herds.
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What is the definitive characteristic of therapods?
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bipedalism
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What are five characteristics of birds?
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hollow bones, s-shaped neck, beak, three toed foot, and clavicle (wishbone)
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When did theropods live?
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mid-triassic to end of Cretaceous
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What were the two groups of Theropods?
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Herrerasauridae and Neotheropoda
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Theropods are a suborder under what order?
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Saurischian
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How to Theropods hunt?
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pack hunters
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Where did they live?
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covered long distance, from africa to europe to asia.
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Were theropods cold or warm blooded?
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cold
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What distinction do theropods hold?
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the largest carnivore in history.
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How did theropods eat and digest food?
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Did not chew, but ate large hunks which the acid in the stomach broke down.
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