basilosaurus

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noun

Any species of several huge extinct cetaceans belonging to the genus †Basilosaurus, of the family †Basilosauridae, from the late Eocene, with two species B. isis (found in Egypt and Tunisia) and B. cetoides (found in the southern and eastern US).

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Meanings

nounbasilosaurus (plural basilosauruses)

plural basilosauruses

  1. Any species of several huge extinct cetaceans belonging to the genus †Basilosaurus, of the family †Basilosauridae, from the late Eocene, with two species B. isis (found in Egypt and Tunisia) and B. cetoides (found in the southern and eastern US).
Cite this entry
APA

basilosaurus. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/basilosaurus

MLA

“basilosaurus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/basilosaurus. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “basilosaurus,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/basilosaurus.

Source: basilosaurus on Wiktionary, CC BY-SA 4.0.