PLESIOSAURIA
Kingdom / Phylum . . . . . . . . Subphylum / Superclass . . . . Class / Subclass / Infraclass Division / Superorder / Order	Animalia / Chordata Cephalochordata / Gnathostomata Reptilia / Diapsida / Lepidosauromorpha n.a. / Sauropterygia / Plesiosauria
Depicted on: Ascension, 1982 (at centre right, Darwin set, four values) Falkland Islands, 1982 (at centre right, Darwin set, four values) Guinea, 2006 (M.S. 3 margin) Mauritius, 1982 (at centre right, Darwin set, four values) Peru, 2022 (M.S., 7,60 S.) Saint Helena, 1982 (at centre right, Darwin set, four values)   F.D.C. cover, Cuba, 1982.