Discovery of bipinnate Ptilophyllum leaves (Bennettitales) from the Upper Jurassic Tochikubo Formation, Fukushima Prefecture, Northeast Japan.

@inproceedings{Kimura1984DiscoveryOB,
  title={Discovery of bipinnate Ptilophyllum leaves (Bennettitales) from the Upper Jurassic Tochikubo Formation, Fukushima Prefecture, Northeast Japan.},
  author={Tatsuaki Kimura and Masanori Tsujii},
  year={1984}
}