Three age groups of ornithopods inferred from footprints in the mid-Cretaceous Dakota Group, eastern Colorado, North America
Masaki Matsukawa; Martin G Lockley; Adrian P Hunt
- 作者Masaki Matsukawa; Martin G Lockley; Adrian P Hunt
- 卷第147卷
- 印刷ISSN0031-0182
- 文件大小412.01KB
- 发表时间1999
- DOI10.1016/s0031-0182(98)00154-0