"*Carcharodon productus" . . . . . "Carcharocles chubutensis"@en . . . . . . . "Carcharocles chubutensis, meaning \"glorious shark of Chubut\", from Ancient Greek: \u03BA\u03BB\u03AD\u03DD\u03BF\u03C2 (kl\u00E9wos) \u201Cglory/fame\u201D + \u03BA\u03B1\u03C1\u03C7\u03B1\u03C1\u03AF\u03B1\u03C2 (karkhar\u00EDas) \u201Cshark\u201D, is a prehistoric megatoothed shark that lived during Oligocene, Miocene, and Pliocene epochs, approximately 28 \u2013 5 million years ago. This shark is considered to be a close relative of another prehistoric megatoothed shark, C. megalodon. However, as is the case with C. megalodon, the classification of this species is disputed."@en . . "*Megaselachus chubutensis (Glikman, 1964)" . "*Carcharodon mexicanus" . .