During Mesozoic time the vertebrate life consisted mainly of fishes, amphibians, and reptiles, although birds and ... In this class the dinosaurs form in many respects the most important group, and the representatives that left their remains in the neighborhood of Denver are not surpassed in ... The greater part of the skeleton is preserved, and this shows that the bones were bird-like and hollow, possiblyanbsp;...
|Title||:||Geology of the Denver Basin in Colorado|
|Author||:||Samuel Franklin Emmons, Whitman Cross, George Homans Eldridge|