This is a remarkably well preserved juvenile Allosaurus vertebra fossil. Allosaurus was a genus of large carnivorous theropod which has been classified into multiple species, the most well known of which is Allosaurus fragilis, which averaged an estimated 28-32 feet (8.5-9.7 meters) in length but reaching upwards of 39 feet (12 meters) for some individuals.
Approx. Weight & Dimensions:
- 396 g
- 16.51 cm x 14.6 cm x 7.62 cm
Species Information:
Allosauridae species, Late Jurassic period, 155-145 Ma
Also Known As:
- Different Lizzard
- Antrodemus (nomen dubium)
- Derived from Greek: ἄλλος σαῦρος (allos + sauros; "different/strange/other" + "lizard/reptile")