| Publication Type: | Journal Article |
| Year of Publication: | 1989 |
| Authors: | {S. George D}, Jr, Whalen M. T. |
| Journal: | Journal of Paleontology |
| Volume: | 63 |
| Pagination: | 800–819 |
| Keywords: | ER, JS, TIP |
| URL: | http://www.jstor.org/stable/1305645 |
| Publication Type: | Journal Article |
| Year of Publication: | 1989 |
| Authors: | {S. George D}, Jr, Whalen M. T. |
| Journal: | Journal of Paleontology |
| Volume: | 63 |
| Pagination: | 800–819 |
| Keywords: | ER, JS, TIP |
| URL: | http://www.jstor.org/stable/1305645 |