Magallon, often spelled as 'megalodon,' is a term used to refer to a prehistoric shark species that existed millions of years ago. The spelling, 'megalodon,' is pronounced as /ˈmɛɡələdɒn/ in the International Phonetic Alphabet (IPA) and it is derived from the Greek words 'mega' which means big, and 'odous' which refers to tooth, thus translating to 'big tooth.' These formidable creatures could reach up to 60 feet in length and are believed to be extinct.