白垩纪
群(周期表)
古生物学
属
地质学
类型(生物学)
植被(病理学)
地理
生态学
生物
物理
医学
病理
量子力学
作者
Toshihiro Yamada,Megumi Nishino
出处
期刊:Paleontological Research
[BioOne (Paleontological Society of Japan)]
日期:2022-04-01
卷期号:26 (2)
摘要
We designate the lectotype of Ptilophyllum pachyrachis Oishi (1940), collected from the Upper Jurassic (Tithonian) to Lower Cretaceous (Berriasian) Ashidani Formation of the Tetori Group exposed in Mochiana, Ohno City, Fukui Prefecture, Central Japan. We further propose a reclassification of this species to the genus Pterophyllum. We found that Oishi's (1940) syntypes included one Ptilophyllum specimen that reflected Eurosinian-type vegetation, contrary to the widely accepted idea that typical Siberian-type vegetation flourished in the Tetori Group region during the Tithonian to Berriasian.
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