Evolutionary Tree of Sauropod Dinosaurs (IMAGE)
Caption
The evolutionary tree of sauropod dinosaurs showing their body masses projected onto geologic time. Each branch represents a species. Species that evolved body masses greater than any other animal that lived on land are highlighted in red. Silhouettes are positioned at the body masses of the largest sauropod, mammoth-like mammal, rhinoceros-like mammal, duck-billed dinosaur, and carnivorous dinosaur.
Credit
Silhouettes by Scott Hartman, Nobu Tamura (vectorized by T. Michael Keesey), Steven Traver.
Usage Restrictions
No restrictions.
License
CC0