Kiyosu-e Formation
Stratigraphic range: Callovian-Berriasian ~163–140 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Unit of	Toyonishi Group
Lithology
Primary	Sandstone
Other	Siltstone
Location
Coordinates	34°06′N 131°00′E / 34.1°N 131.0°E / 34.1; 131.0
Approximate paleocoordinates	40°54′N 139°30′E / 40.9°N 139.5°E / 40.9; 139.5
Region	Yamaguchi Prefecture
Country	Japan
Kiyosu-e Formation (Japan)

The Kiyosu-e Formation is a Middle Jurassic (Callovian) to Early Cretaceous (Berriasian) geologic formation of the Toyonishi Group in Yamaguchi Prefecture, Japan.^[1][2] Fossil ornithopod tracks have been reported from the formation.^[3]

The following fossils have been reported from the formation:^[1]

• Ichnofossils
  • Iguanodontidae indet.^[4]
  • Theropoda indet.^[4]
• Flora
  • Regnellites nagashimae^[5]
  • Otozamites sp.^[5]

• List of dinosaur-bearing rock formations
  • List of stratigraphic units with ornithischian tracks
    • Ornithopod tracks

• Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (2004), The Dinosauria, 2nd edition, Berkeley: University of California Press, pp. 1–880, ISBN 0-520-24209-2, retrieved 2019-02-21
• Yamada, T.; Kato, M. (2002), "Regnellites nagashimae gen. et sp. nov., the oldest macrofossil of Marsileaceae from the upper Jurassic to lower Cretaceous of western Japan", International Journal of Plant Sciences, 163 (5): 715–723, doi:10.1086/342036
• Azuma, Y.; Tomida, Y. (1997), Japanese dinosaurs in P. J. Currie, K. Padian, Encyclopedia of Dinosaurs, pp. 375–379