Ischyosporites instaurativus
- Citations total:
- 2
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| original | Early Hauterivian | USSR | Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) | 1983 | |
| details | Early Hauterivian | USSR | Fensome,R.A. Taxonomy and biostratigraphy of Schizaealean spores from the Jurassic-Cretaceous boundary beds of the Aklavik Range, District of MacKenzie | 1987 |