Euryale akashiensis is a fossil species of Euryale from the Pliocene of Akashi, Hyōgo, Japan.Euryale akashiensis Miki. (n.d.). The International Fossil Plant Names Index (IFPNI). Retrieved December 18, 2024, from https://ifpni.org/species.htm?id=4457625F-0542-4544-BB0B-9518ACB36F9D
Description The ovate, 7–9 mm long,Kirchheimer, F. (1957). Die Laubgewächse der Braunkohlenzeit: mit einem kritischen Katalog ihrer Früchte und Samen. p. 93. Deutschland: W. Knapp. and 6–8 mm wide seeds have a gnarled testa.Huang, Y., Ji, X., Su, T., Wang, L., Deng, C., Li, W., ... & Zhou, Z. (2015). Fossil seeds of Euryale (Nymphaeaceae) indicate a lake or swamp environment in the late Miocene Zhaotong Basin of southwestern China. Science Bulletin, 60(20), 1768-1777.
Taxonomy It was first published as Euryale akashiensis by Miki Shigeru in 1937.Miki, S. (1937). Plant fossils from the Stegodon Beds and the Elephas Beds near Akashi. Japanese Journal of Botany, 8, 303-341. It has been proposed to place it in a separate genus Pseudoeuryale as Pseudoeuryale akashiensis published by Alexander Borisovitch Doweld in 2022.Doweld A.B. 2022. New names of fossil Nymphaeaceae and allied forms. Geophytology 52(1&2): 1–28.Pseudoeuryale akashiensis (Miki) Doweld. (n.d.). The International Fossil Plant Names Index (IFPNI). Retrieved December 18, 2024, from https://ifpni.org/species.htm?id=21ECFF27-CBB4-05A5-E372-50116B47AC88 The lectotype was collected in Nakayagi-Yagi, Akashi City, Hyogo Prefecture, Japan.
Distribution It occurred in Japan.Mädler, K. (1939). Die pliozäne Flora von Frankfurt am Main. p. 93. Deutschland: Senckenbergische Naturforschende Ges..
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