Sueria laxinervis Tosh.Yamada et H.Nishida in Yamada, Yamada, Terada, Ohsawa, Yabe, Legrand, Uemura, Leppe, Hinojosa, López-Sepúlveda & Nishida

Plant Fossil Names Registry Number: PFN002349


Authors: T. Yamada & H. Nishida

Rank: species

Reference: Yamada, T., Yamada, T. F., Terada, K., Ohsawa, Takeshi A., Yabe, A., Legrand, J., Uemura, K., Leppe, M., Hinojosa, F. L., López-Sepúlveda, P. & Nishida, H. (2019): Sueria laxinervis, a new fossil species of Cycadales from the Upper Cretaceous Quiriquina Formation in Cocholgüe, Bíobío Region, Chile. – Phytotaxa 402(2): 126–130., link

Page of description: 127

Illustrations or figures: fig. 1


Holotype SGO. PB 1571, Museo Nacional de Historia Natural, Santiago, Chile
Figures: fig. 1A, B, D, E

Note: Paratype: NSM-PP-9291 (fig. 1C, F, G), housed in National Museum of Nature and Science, Tokyo, Japan.

Original diagnosis/description

Veins of lamina set sparsely at ca. 10–15 per cm. Epidermal cells of lamina more than 60 μm in maximum diameter on both the adaxial and abaxial sides.


The specific epithet refers to the leaf character in which veins are sparsely set, from Latin laxus, wide or loose, and nervus, sinew.


Cretaceous, Upper Cretaceous, Maastrichtian
Quiriquina Formation


Bíobío Region, Caleta Cocholgüe, Tomé, 36°59ʹ38ʹʹS, 72°98′13′′W

Plant fossil remain

macro- and meso-fossils-embryophytes except wood


Use comments to notify PFNR administrators of mistakes or incomplete information relevant to this record.