Genus SANMARTINOCERAS
Kingdom / Phylum . . . . . . . . . Class / Subclass / Infraclass Division / Superorder / Order Suborder / Infraorder . . . . . . Superfamily / Family . . . . . . . Subfamily / Genus . . . . . . . . .	Animalia / Mollusca Cephalopoda / Ammonoidea / n.a. n.a. / n.a. / Ammonitida Ammonitina / n.a. Haplocerataceae / Oppeliidae Aconeceratinae / Sanmartinoceras
Age: Distribution:	Late Early Cretaceous South America, Africa, Europe, Australia, Antarctica
Depicted on: British Antarctic Territory, 1990 (8 p., fossil S. sp. cf. patagonica)