Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Kirkwood Formation  | |
|---|---|
| RT | Arikareean |
| Hemingfordian | |
| Lower Cretaceous | |
| middle Miocene | |
| New Jersey | |
| South Africa | |
| Upper Jurassic | |
| SN | Arikareean and Hemingfordian. E New Jersey. Also found in Upper Jurassic to Lower Cretaceous (Gondwana) of South Africa. Indexed with ages as applicable. |