Plant Fossils from the Arimine Formation (Oxfordian, Jurassic) of the Tetori Group in Arimine, Toyama Prefecture, Central Japan

Toshihiro Yamada

doi:10.2517/2017PR017

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1 July 2018 Plant Fossils from the Arimine Formation (Oxfordian, Jurassic) of the Tetori Group in Arimine, Toyama Prefecture, Central Japan

Toshihiro Yamada

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Paleontological Research, 22(3):203-209 (2018). https://doi.org/10.2517/2017PR017

Abstract

Ptilophyllum sp. and Zamites brevipennis are newly described from the middle Oxfordian Arimine Formation in the Arimine area, Toyama Prefecture, Central Japan. These two species characterize the vegetation of the Eurosinian paleophytogeographic province where a climate with dry season(s) prevailed. This finding, as well as the presence of a Kaizara Flora, suggests that Eurosinian-type vegetations continuously flourished during the late Bathonian to Oxfordian on the land of the Tetori Group. We also infer that Tetori-type floras first appeared during the Tithonian in the Tetori Group.

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Toshihiro Yamada "Plant Fossils from the Arimine Formation (Oxfordian, Jurassic) of the Tetori Group in Arimine, Toyama Prefecture, Central Japan," Paleontological Research 22(3), 203-209, (1 July 2018). https://doi.org/10.2517/2017PR017

Received: 10 July 2017; Accepted: 25 August 2017; Published: 1 July 2018

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