Physeter

Physeter is a genus of giant toothed whales,^[1] that include now a only living species: Sperm whale (Physeter macrocephalus). The genus include two possible extinct species, and with a one probably junior synonym: Physeter antiquus and P. vetus.^[2][3] P. vetus is now considered a synonym of P. antiquus, the P. antiquus is the only extinct species of the genus.^[3][4]

• Sperm whale

1. ↑ "PBDB Taxon". paleobiodb.org. Retrieved 2025-07-28.
2. ↑ "PBDB Taxon". paleobiodb.org. Retrieved 2025-07-28.
3. ↑ ^{3.0 3.1} "PBDB Taxon". paleobiodb.org. Retrieved 2025-07-28.
4. ↑ Watwood, Stephanie L.; Miller, Patrick J. O.; Johnson, Mark; Madsen, Peter T.; Tyack, Peter L. (2006). "Deep-diving foraging behaviour of sperm whales (Physeter macrocephalus)". Journal of Animal Ecology. 75 (3): 814–825. doi:10.1111/j.1365-2656.2006.01101.x. ISSN 1365-2656.

• The fossil of Sperm whales is very rare.
• The synonym of Physeter include: Catodon, Orthodon, Megistosaurus and others names.
• See also PBDB from the synonyms.