North American Plesiosaurs: Elasmosaurus, Cimoliasaurus, and Polycotylus
| Image |  |
|---|---|
| Description | 1906 edition of article by Samuel Wendell Williston |
| Author/s |
author: Samuel Wendell Williston |
| Publication date | 1906 |
| Language | English |
| Country of origin | |
| Wikipedia link | |
| Access work |
North American Plesiosaurs: Elasmosaurus, Cimoliasaurus, and Polycotylus (Wikisource English) |
| Copyright status |
public domain in United States. public domain in countries with 80 years pma or shorter. |
| Missing/wrong data? | Edit Wikidata item |