Term
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Definition
Clawed bipeds
Serrated teeth: puncturing and slicing; flat, pointed and serrated.
Hallowed vertebrae and limb bones
Unique tridactyl footprint
Could run 40-60 km/h
Second ungual: dromaeosaurids and troodontids was used a killer claw
Could see stereoscopically
Pack hunters
Includes all saurischians that are not saurordomorphs |
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Term
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Definition
| Largest brains; withing the range of inferred intelligence |
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Term
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Definition
| Had some degree of parental care |
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Term
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Definition
Furcula (wishbone)
Three-toed foot
Fundamental split is represented by Coelophysis and Tetanurae |
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Term
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Definition
Stiff tails
Interlocking zygapophyses |
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Term
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Definition
| Pleurocoels that hose auxiliary air sacs |
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Term
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Definition
| Most efficient breathing; sustained high levels of activity |
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Term
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Definition
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Term
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Definition
| Semi-lunate carpal (flexible wrist) |
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Term
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Definition
Toothless
Fast runners
Hollowed skulls |
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Term
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Definition
Long claws
Herbivorous
Related to Oviraptorisaurids |
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Term
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Definition
Powerful hands
Locked tails
Active lifestyle
Gracile bones
Large claws
Monofilamentous feather |
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Term
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Definition
| A feather; the most important fossil ever found |
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Definition
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Definition
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Term
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Definition
Flightless
Are diving birds
Long necked |
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Term
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Definition
Had teeth
Excellent flyers |
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