Primary Sources
Images:
- Cope's suppressed plate of the Elasmasaurus Platyurus, 1868.
- Joseph Leidy next to the tibia (lower leg bone) of Hadrosaurus foulkii, Philadelphia, PA, 1858.
- Two elasmosaurs cross paths while feeding in the Western Interior Sea.
- Elasmosauras illustration by Edward Cope, from "The Fossil Reptiles of New Jersey," The American Naturalist, 1870.
- Elasmosaurus platyurus, by E. D. Cope, 1868.
- Cope's restoration of the giant Enaliosaurs, Elasmosaurus platyurus, 1872.
- Drawing of Elasmosaurus platyurus Cope, by Dr. Adam Stuart Smith.
- Anterior cervical vertebrae, Elasmosaurus platyurus Cope, 1868.
Original Documents:
- Student Handout 2-Paleontologist Biographical Background
- Paleontologist Views on "Elasmosaurus platyurus Cope"
Student Worksheets
- The Missing Piece[Teacher Guide]
- Historical and Scientific Experts[Teacher Guide]
- Joseph Leidy with Bone[Teacher Guide]
- Which End is the Tail[Teacher Guide]
- Solving the Dinosaur Mystery[Teacher Guide]
- Publishing your findings
Student Handouts