| Publication Type: | Journal Article |
| Year of Publication: | 1993 |
| Authors: | T. A. Hansen, Farrell, B. R., Banks, I. I. I. Upshaw |
| Journal: | Paleobiology |
| Volume: | 19 |
| Issue: | 2 |
| Pagination: | 251 - 265 |
| Date Published: | 1993/// |
| URL: | http://www.jstor.org/stable/2400880 |