| Publication Type: | Journal Article |
| Year of Publication: | 1998 |
| Authors: | K. G. Johnson |
| Journal: | Palaeontology |
| Volume: | 41 |
| Pagination: | 1247–1268 |
| URL: | http://palaeontology.palass-pubs.org/pdf/Vol 41/Pages 1247-1268.pdf |
| Publication Type: | Journal Article |
| Year of Publication: | 1998 |
| Authors: | K. G. Johnson |
| Journal: | Palaeontology |
| Volume: | 41 |
| Pagination: | 1247–1268 |
| URL: | http://palaeontology.palass-pubs.org/pdf/Vol 41/Pages 1247-1268.pdf |