Genus GRENDELIUS
Kingdom / Phylum . . . . . . . . Subphylum / Superclass . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Chordata Cephalochordata / Gnathostomata Reptilia / Diapsida / n.a. n.a. / n.a. / Ichthyosauria n.a. / n.a. n.a. / Leptopterygiidae n.a. / Grendelius
Age: Distribution:	Late Jurassic Europe
Depicted on: Gambia, 2003 (position 3 of sheet 2, as 'Ichthyosaur') Guyana, 1996 (position 7 of sheet 3) Guyana, 1998 (position 4 of sheet 2) Guyana, 2005 (position 4 of sheet 1) Sierra Leone, 2016 (sheet margin, probably, as Shonisaurus)