| Publication Type: | Journal Article |
| Year of Publication: | 1934 |
| Authors: | J. W. Wells |
| Journal: | Bulletins of American Paleontology |
| Volume: | 20 |
| Issue: | 70B |
| Pagination: | 147 - 164 |
| Date Published: | 1934/// |
| URL: | http://archive.org/details/bulletinsofameri206970193334pale |