| Type |  Book |
| ชื่อเรื่อง | A Revised radiolarian zonation for the Upper Jurassic of western North America / by Emile A. Pessagno, Jr., Charles D. Blome, and Jose F. Longoria |
| ผู้แต่ง | Pessagno, Emile a |
| พิมพลักษณ์ | Ithaca, N.Y. : Paleontological Research Institution, 1984 |
| รูปเล่ม | 51 p. : ill |
| หัวเรื่อง | Geology, Stratigraphic --Jurassic [] |
| | Geology --North America [] |
| | Paleontology --Jurassic [] |
| | Paleontology --North America [] |
| | Radiolaria, Fossil |
| | Radiolaria, Fossil --North America [] |