[Remarks on Eschrichtius polyporus, Hypsibema crassicauda, Hadrosaurus tripos, and Polydectes biturgidus]

Citation

Cope, E. D. (1869). [Remarks on Eschrichtius polyporus, Hypsibema crassicauda, Hadrosaurus tripos, and Polydectes biturgidus]. Proceedings of the Academy of Natural Sciences of Philadelphia 21: 191-192.

Names first published here

• Hypsibema genus
• Hypsibema crassicauda species

Cited by genera

• Hypsibema

  Records the type material from Sampson County, North Carolina, of Cretaceous age but intrusive in Miocene beds, without a closer locality.