The Miocene Epoch.

GeraldtheGnome: THE PHANEROZOIC EON. : THE CENOZOIC ERA. : THE NEOGENE PERIOD. : THE MIOCENE EPOCH. : THE AQUITANIAN AGE. :

ARGENTINA. :

LIFE FORMS. : EUKARYOTES. : ANIMALS. : VERTEBRATES. : HOLOTHERES. : TRECHNOTHERIA. : CLADOTHERIANS. : ZATHERIANS. : TRIBOSPHENIDA. : THERIANS. : EUTHERIANS. : PLACENTALS. : EXAFROPLACENTALS. : BOREOEUTHERIA. : LAURASIATHERIA. : ERINACEOMORPHA/HEDGEHOGS. : ERINACEIDAE. : AMPHECHINUS. : AMPHECHINUS MAGNUM. : This Species of Hedgehogs existed in 23,027,985 BC to and including 15,967,985 BC when the last one died out. They lived in what is now known as Argentina.