Back باسيلوصوريات Arabic Basilosàurids Catalan Basilosauridae Spanish خسروسوسماران Persian Basilosauridae French בסילוזאוריים HE Basilosauridae Croatian Basilosauridae Hungarian Basilosauridae ID Basilosauridae Italian
| Basilosauridae | |
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| Skull of the genus Saghacetus. Arrow highlights the nasal openings halfway up the snout, an evolutionary step towards the telescoped condition in modern whales. | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Artiodactyla |
| Infraorder: | Cetacea |
| Family: | †Basilosauridae Cope 1868[1] |
| Genera | |
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See text | |
Basilosauridae is a family of extinct cetaceans that lived during the middle to late Eocene. Basilosaurids are known from all continents including Antarctica,[2] and are probably the first fully aquatic cetaceans.[3][4] The group is noted to be a paraphyletic assemblage of stem group whales[5] from which the monophyletic Neoceti are derived.[6]
- ^ a b Basilosauridae in the Paleobiology Database
- ^ Buono, M.R.; Fernández, M.S.; Reguero, M.A.; Marenssi, S.A.; Santillana, S.N.; Mörs, T. (2016). "Eocene Basilosaurid Whales from the La Meseta Formation, Marambio (Seymour) Island, Antarctica". Ameghiniana. 53 (3): 296–315. doi:10.5710/AMGH.02.02.2016.2922.
- ^ Uhen 2002
- ^ Buono M, Fordyce R.E., Marx F.G., Fernández M.S. & Reguero M. (2019). "Eocene Antarctica: a window into the earliest history of modern whales". Advances in Polar Science 30(3): p. 293-302. doi:10.13679/j.advps.2019.0005
- ^ Lloyd, G. T.; Slater, G. J. (2021). "A total-group phylogenetic metatree for Cetacea and the importance of fossil data in diversification analyses". Systematic Biology. 70 (5): 922–939. doi:10.1093/sysbio/syab002. PMID 33507304.
- ^ Davydenko, S.; Shevchenko, T.; Ryabokon, T.; Tretiakov, R.; Gol’din, P. (2021). "A Giant Eocene Whale from Ukraine Uncovers Early Cetacean Adaptations to the Fully Aquatic Life". Evolutionary Biology. 48 (1): 67–80. doi:10.1007/s11692-020-09524-8. S2CID 230110031.