A New Assemblage of Plant Mesofossils (Late Turonian–Middle Santonian; Upper Cretaceous) from the Tamagawa Formation, Kuji Group, in Northeastern Japan

Masamichi Takahashi; Patrick S. Herendeen; Fabiany Herrera; Ren Hirayama; Hisao Ando; Kazuhisa Sasaki; Peter R. Crane

doi:10.2517/2020PR015

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1 April 2021 A New Assemblage of Plant Mesofossils (Late Turonian–Middle Santonian; Upper Cretaceous) from the Tamagawa Formation, Kuji Group, in Northeastern Japan

Masamichi Takahashi, Patrick S. Herendeen, Fabiany Herrera, Ren Hirayama, Hisao Ando, Kazuhisa Sasaki, Peter R. Crane

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Paleontological Research, 25(2):120-126 (2021). https://doi.org/10.2517/2020PR015

Abstract

A preliminary description is provided of a new assemblage of small, three-dimensional and charcoalified mesofossils from the Tamagawa Formation (late Turonian–middle Santonian; Upper Cretaceous) of the Kuji Group in northeastern Japan. The new mesofossils yield excellent structural details and include well-preserved circinate shoots of ferns together with conifer leafy-shoots, seeds and probable pollen cones, and variety of angiosperm fruits and seeds, including fruits of Cornales and seeds of Nymphaeales. The new mesofossil assemblage is complementary to the previously published macrofossil flora from the Kuji Group.

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Masamichi Takahashi, Patrick S. Herendeen, Fabiany Herrera, Ren Hirayama, Hisao Ando, Kazuhisa Sasaki, and Peter R. Crane "A New Assemblage of Plant Mesofossils (Late Turonian–Middle Santonian; Upper Cretaceous) from the Tamagawa Formation, Kuji Group, in Northeastern Japan," Paleontological Research 25(2), 120-126, (1 April 2021). https://doi.org/10.2517/2020PR015

Received: 14 November 2019; Accepted: 4 March 2020; Published: 1 April 2021

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