List of cetaceans

Cetacea is an infraorder that comprises the 94 species of whales, dolphins, and porpoises. It is divided into toothed whales (Odontoceti) and baleen whales (Mysticeti), which diverged from each other in the Eocene some 50 million years ago (mya). Cetaceans are descended from land-dwelling hoofed mammals, and the now extinct archaeocetes represent the several transitional phases from terrestrial to completely aquatic.^[1] Historically, cetaceans were thought to have descended from the wolf-like mesonychians, but cladistic analyses confirm their placement with even-toed ungulates in the order Cetartiodactyla.^[2]^[3]^[4]^[5]^[6]

Whale populations were drastically reduced in the 20th century from intensive whaling, and the activity was globally banned in 1982.^[7] Smaller cetaceans are at risk of accidentally getting caught by fishing vessels using, namely, seine fishing, drift netting, or gill netting operations.^[8]

^ Jamieson, Barrie G. M. (2016-04-19). Miller, Debra L. (ed.). Reproductive Biology and Phylogeny of Cetaceans. Vol. 7. CRC Press. p. 111. ISBN 978-1-4398-4257-7.
^ Agnarsson, I.; May-Collado, LJ. (2008). "The phylogeny of Cetartiodactyla: the importance of dense taxon sampling, missing data, and the remarkable promise of cytochrome b to provide reliable species-level phylogenies". Mol Phylogenet Evol. 48 (3): 964–985. doi:10.1016/j.ympev.2008.05.046. PMID 18590827.
^ Price, SA.; Bininda-Emonds, OR.; Gittleman, JL. (2005). "A complete phylogeny of the whales, dolphins and even-toed hoofed mammals – Cetartiodactyla". Biol Rev Camb Philos Soc. 80 (3): 445–473. doi:10.1017/s1464793105006743. PMID 16094808. S2CID 45056197.
^ Montgelard, C.; Catzeflis, FM.; Douzery, E. (1997). "Phylogenetic relationships of artiodactyls and cetaceans as deduced from the comparison of cytochrome b and 12S RNA mitochondrial sequences". Molecular Biology and Evolution. 14 (5): 550–559. doi:10.1093/oxfordjournals.molbev.a025792. PMID 9159933.
^ Spaulding, M.; O'Leary, MA.; Gatesy, J. (2009). "Relationships of Cetacea -Artiodactyla- Among Mammals: Increased Taxon Sampling Alters Interpretations of Key Fossils and Character Evolution". PLOS ONE. 4 (9): e7062. Bibcode:2009PLoSO...4.7062S. doi:10.1371/journal.pone.0007062. PMC 2740860. PMID 19774069.
^ "Cetacean Species and Taxonomy". IUCN-SSC: Cetacean Specialist Group. Retrieved December 14, 2015.
^ Beckman, Daniel (2013). "Conservation of Cetaceans". Marine Environmental Biology and Conservation. Jones and Bartlett Learning. p. 328. ISBN 978-0-7637-7350-2.
^ Clover, Charles (2008). The End of the Line: How Overfishing is Changing the World and what We Eat. University of California Press. ISBN 978-0-520-25505-0.

[1] Jamieson, Barrie G. M. (2016-04-19). Miller, Debra L. (ed.). Reproductive Biology and Phylogeny of Cetaceans. Vol. 7. CRC Press. p. 111. ISBN 978-1-4398-4257-7.

[ncbi.nlm.nih.gov-2] Agnarsson, I.; May-Collado, LJ. (2008). "The phylogeny of Cetartiodactyla: the importance of dense taxon sampling, missing data, and the remarkable promise of cytochrome b to provide reliable species-level phylogenies". Mol Phylogenet Evol. 48 (3): 964–985. doi:10.1016/j.ympev.2008.05.046. PMID 18590827.

[ReferenceB-3] Price, SA.; Bininda-Emonds, OR.; Gittleman, JL. (2005). "A complete phylogeny of the whales, dolphins and even-toed hoofed mammals – Cetartiodactyla". Biol Rev Camb Philos Soc. 80 (3): 445–473. doi:10.1017/s1464793105006743. PMID 16094808. S2CID 45056197.

[mbe.oxfordjournals.org-4] Montgelard, C.; Catzeflis, FM.; Douzery, E. (1997). "Phylogenetic relationships of artiodactyls and cetaceans as deduced from the comparison of cytochrome b and 12S RNA mitochondrial sequences". Molecular Biology and Evolution. 14 (5): 550–559. doi:10.1093/oxfordjournals.molbev.a025792. PMID 9159933.

[plosone.org-5] Spaulding, M.; O'Leary, MA.; Gatesy, J. (2009). "Relationships of Cetacea -Artiodactyla- Among Mammals: Increased Taxon Sampling Alters Interpretations of Key Fossils and Character Evolution". PLOS ONE. 4 (9): e7062. Bibcode:2009PLoSO...4.7062S. doi:10.1371/journal.pone.0007062. PMC 2740860. PMID 19774069.

[Cetacean_Species_and_Taxonomy-6] "Cetacean Species and Taxonomy". IUCN-SSC: Cetacean Specialist Group. Retrieved December 14, 2015.

[7] Beckman, Daniel (2013). "Conservation of Cetaceans". Marine Environmental Biology and Conservation. Jones and Bartlett Learning. p. 328. ISBN 978-0-7637-7350-2.

[8] Clover, Charles (2008). The End of the Line: How Overfishing is Changing the World and what We Eat. University of California Press. ISBN 978-0-520-25505-0.

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