Can you tell a tyrannosaurus from an allosaurus?

Explores the differences between the Tyrannosaurus and the Allosaurus.

9781467713559
book
Lexile: 
550

Holdings

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77731845151702321324484459849PESC372PESC25384567.9 SIL567.915798937721736518457
89200546175352294324484459849BRCR112BRPR0075604DINOSAURS / General - Facts100015798937721736518457
103806547321532361324484459849VEC5724VEC0032034567.912 Sil567.9115802161721736800991
153712251665102346324484459849WESE490WESE206813NF-PREHISTORIC DINOSAURS TYPES100015814652241736518457
153712351665102346324484459849WESE490WESE206822NF-PREHISTORIC DINOSAURS TYPES100015814652241736518457
239326459237152368324484459849BLE110BLE0501836567.91 SIL567.9116377766271736800991