Genus Regnellites † Higher classification Regnellites | Division Pteridophyta Scientific name Regnellites nagashimae Rank Species | |
Similar Marsileaceae, Water ferns, Regnellidium, Leptosporangiate fern, Regnellidium diphyllum |
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. The fossils include leaves with visible veins, as well as sporocarps.
References
Regnellites Wikipedia(Text) CC BY-SA