The dinosaurs of North America (7368792280)
Summary
U. S. GEOLOGICAL SURVEY
SIXTEENTH ANNUAL REPORT PART I PL. LXVI
TRICERATOPS PRORSUS.
Cretaceous.
Tags
Date
1896
Source
Biodiversity Heritage Library
Copyright info
public domain
Summary
U. S. GEOLOGICAL SURVEY
SIXTEENTH ANNUAL REPORT PART I PL. LXVI
TRICERATOPS PRORSUS.
Cretaceous.
Tags
Date
Source
Copyright info