| Regnellites nagashimae Temporal range: Jurassic or Cretaceous[1] |
|
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Pteridophyta |
| Class: | Pteridopsida |
| Order: | Salviniales |
| Family: | Marsileaceae |
| Genus: | Regnellites † |
| Species: | R. nagashimae † |
| Binomial name | |
| Regnellites nagashimae |
|
Regnellites nagashimae is the oldest known fossil belonging to the fern family Marsileaceae. It comes from rocks of the Upper Jurassic or Lower Cretaceous of Japan.[1] The fossils include leaves with visible veins, as well as sporocarps.