Genus KEICHOUSAURUS
Kingdom / Phylum . . . . . . . . Subphylum / Superclass . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Chordata Cephalochordata / Gnathostomata Reptilia / Diapsida / Lepidosauromorpha n.a. / Sauropterygia / Nothosauria n.a. / n.a. n.a. / Pachypleurosauridae n.a. / Keichousaurus
Age: Distribution:	Middle Triassic Eastern Asia
Depicted on: Central African Republic, 2022 (M.S. margin, as Plesiosaurus) Chad, 2001 (position 4 of sheet 1, fossil) Chad, 2020 (M.S. margin, fossil) Ghana, 2014 (sheet 1 margin) Guinea, 2019 (position 2 of sheet, fossil) Guinea-Bissau, 2020 (500 FCFA, fossil) Mozambique, 2013 (M.S. margin, fossil) Mozambique, 2016 (sheet margin, fossil, probably) Mozambique, 2020 (M.S. margin, fossil) Sierra Leone, 2019 (M.S. margin, fossil) Sierra Leone, 2020 (M.S. margin, fossil) Togo, 2020 (position 4 of sheet, fossil)