Parasaurolophus Keychain - 387447

There has been much debate about the functions of the crest, but today most scientists agree that it helped Parasaurolophus identify males and females, increased hearing ability (acoustic resonance), and also helped regulate body temperature (thermoregulation).

Dimensions of the key ring: 4.5 x 2 x 4.5 cm

Suitable from 3 years.