Basilosaurus
noun
Bas·i·lo·sau·rus
ˌbasəlōˈsȯrəs
: a genus (the type of the family Basilosauridae) of large slender-bodied Eocene whales that are found most abundantly in Alabamian and Floridian rocks and that have serrated posterior teeth with two roots see zeuglodontia
Word History
Etymology
New Latin, from Greek basileus king + New Latin -o- + -saurus