1—7. Thespesius occidentalis. 8-17 in Extinct vertebrata from the Judith River and Great Lignite formations of Nebraska
| Main Author: | Leidy, J. |
|---|---|
| Format: | info Image |
| Terbitan: |
, 1860
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| Subjects: | |
| Online Access: |
https://zenodo.org/record/1081943 |