Delphinoidea is the largest group of toothed whales with 66 genera in 6 families. The largest living member of the superfamily is the killer whale, which can reach 6

ton Ton is the name of any one of several units of measure. It has a long history and has acquired several meanings and uses. Mainly it describes units of weight. Confusion can arise because ''ton'' can mean * the long ton, which is 2,240 pounds ...

s, while the smallest is the vaquita.

Taxonomy

Based on McGowen ''et al''., 2019 Superfamily Delphinoidea :Family † Albireonidae :::Genus ''

Albireo Albireo is a double star designated Beta Cygni (β Cygni, abbreviated Beta Cyg, β Cyg). The International Astronomical Union uses the name "Albireo" specifically for the brightest star in the system. Although designated ' beta', ...

'' :Family Delphinidae :: Subfamily

Delphininae Oceanic dolphins or Delphinidae are a widely distributed family of dolphins that live in the sea. Close to forty extant species are recognised. They include several big species whose common names contain "whale" rather than "dolphin", such as the ...

::: Genus '' Delphinus'' ::: Genus '' Lagenodelphis'' ::: Genus ''

Sotalia The dolphin genus ''Sotalia'' is considered to have two member species with the classification of ''Sotalia guianensis'' as a distinct species from ''Sotalia fluviatilis'' in 2007. This was a result of recent morphometric analyses, as well as mito ...

'' :::Genus '' Sousa'' ::: Genus ''

Stenella ''Stenella'' is a genus of marine mammals in Delphinidae, the family informally known as the oceanic dolphins. Species Currently, five species are recognised in this genus: The common name for species in this genus is the "spotted dolphins" o ...

'' ::: Genus ''

Tursiops Bottlenose dolphins are aquatic mammals in the genus ''Tursiops.'' They are common, cosmopolitan members of the family Delphinidae, the family of oceanic dolphins. Molecular studies show the genus definitively contains two species: the common ...

'' :: Subfamily Globicephalinae ::: Genus †'' Astadelphis'' ::: Genus '' Feresa'' ::: Genus '' Globicephala'' ::: Genus '' Grampus'' ::: Genus ''

Orcaella The snubfin dolphins (''Orcaella'') are a genus of cetaceans containing two members: the Irrawaddy dolphin (''Orcaella brevirostris'') and the Australian snubfin dolphin (''Orcaella heinsohni''). The genus was long believed to be monotypic with t ...

'' ::: Genus '' Peponocephala'' ::: Genus '' Pseudorca'' ::: Genus '' Steno'' ::Subfamily Lissodelphininae ::: Genus '' Cephalorhynchus'' ::: Genus '' Lissodelphis'' :: Subfamily Orcininae ::: Genus †'' Arimidelphis'' ::: Genus †'' Eodelphinus'' ::: Genus †'' Hemisyntrachelus'' ::: Genus '' Orcinus'' :: Subfamily incertae sedis ::: Genus †''

Australodelphis ''Australodelphis mirus'' is an extinct Pliocene Delphinidae, dolphin. ''A. mirus'' is known from fossils found in the Sørsdal Formation, Mule Peninsula, Vestfold Hills, East Antarctica. The genus has been described as an example of convergent ...

'' ::: Genus †'' Etruridelphis'' :::Genus '' Lagenorhynchus'' ::: Genus †'' Sinanodelphis'' :Family † Kentriodontidae :: Subfamily Kentriodontinae ::: Genus '' Belonodelphis'' ::: Genus '' Delphinodon'' ::: Genus '' Heterodelphis'' ::: Genus '' Incacetus''? ::: Genus ''

Kentriodon ''Kentriodon'' is an extinct genus of Odontoceti, toothed whale related to modern-day dolphins. Fossils have been found in North America, Europe and Japan. Several species have been described. Description ''Kentriodon'' was the most diverse ...

'' ::: Genus '' Lamprolithax'' ::: Genus '' Loxolithax'' ::: Genus ''

Macrokentriodon ''Macrokentriodon'' is an extinct genus of giant dolphin once assigned to the paraphyletic/polyphyletic family Kentriodontidae. Remains have been found in the late Miocene (Serravallian) Choptank Formation of United States. ''Macrokentriodon'' ...

'' ::: Genus '' Microphocaena'' ::: Genus ''

Rudicetus ''Rudicetus'' is an extinct genus of cetacean. References Prehistoric toothed whales Prehistoric cetacean genera Fossil taxa described in 2001 {{paleo-whale-stub ...

'' ::: Genus ''

Tagicetus ''Tagicetus'' is an extinct genus of dolphin belonging to the polyphyletic family Kentriodontidae. Although classified in the subfamily Kentriodontinae by Lambert et al. (2005), recent cladistic analysis places it as closer to extant delphinoids ...

'' :: Subfamily Lophocetinae ::: Genus ''

Hadrodelphis ''Hadrodelphis'' is an extinct genus of dolphin once assigned to the paraphyletic/polyphyletic family Kentriodontidae. Remains have been found in the middle Miocene (Langhian) Calvert Formation of United States. Taxonomy ''Harodelphis'' is simil ...

'' ::: Genus ''

Liolithax ''Liolithax'' is an extinct genus of dolphin from the Middle Miocene (Serravallian) Temblor Formation of California. Taxonomy ''Liolithax kernensis'', described by Remington Kellogg Arthur Remington Kellogg (5 October 1892 – 8 May 1969) w ...

'' ::: Genus '' Lophocetus'' :: Subfamily Pithanodelphininae? ::: Genus '' Atocetus''? ::: Genus '' Leptodelphis''? ::: Genus '' Pithanodelphis''? ::: Genus '' Sarmatodelphis''? ::: Genus '' Sophianacetus''? :: Subfamily Kampholophinae? ::: Genus '' Kampholophos''? :Family Monodontidae :: Subfamily Delphinapterinae ::: Genus †'' Bohaskaia'' ::: Genus '' Delphinapterus'' ::: Genus † '' Denebola'' :: Subfamily Monodontinae ::: Genus '' Monodon'' :Family † Odobenocetopsidae :: Genus ''

Odobenocetops ''Odobenocetops'' () is an extinct genus of small toothed whale known from Peru and Chile. Its fossils are found in Neogene-aged marine strata dating from the Tortonian to the Zanclean. It had two tusks, and, in some fossils, one tusk was longer t ...

'' :Family

Phocoenidae Porpoises are a group of fully aquatic marine mammals, all of which are classified under the family Phocoenidae, parvorder Odontoceti (toothed whales). Although similar in appearance to dolphins, they are more closely related to narwhals an ...

:: Genus †''

Archaeophocaena ''Archaeophocaena teshioensis'' is a species of extinct porpoise from the Late Miocene Koetoi Formation of Japan living around 6.4–5.5 mya (unit), million years ago (mya). The holotype specimen comprises a partial skull. The animal, along with ...

'' :: Genus †'' Australithax'' :: Genus †'' Brabocetus'' :: Genus †'' Haborophocoena'' :: Genus †'' Lomacetus'' :: Genus †''

Miophocaena ''Miophocaena nishinoi'' is an extinct species of porpoise from the Late Miocene Koetoi Formation of Japan, dating to around 6.4–5.5 million years ago (mya), represented by a partial skull. the genus name derives from Ancient Greek ...

'' :: Genus ''

Neophocaena ''Neophocaena'' is a genus of porpoise native to the Indian and Pacific oceans, as well as the freshwater habitats of the Yangtze River basin in China. They are commonly known as finless porpoises. Genetic studies indicate that ''Neophocaena'' is ...

'' :: Genus †'' Numataphocoena'' :: Genus '' Phocoena'' :: Genus ''

Phocoenoides Dall's porpoise (''Phocoenoides dalli'') is a species of porpoise endemic to the North Pacific. It is the largest of porpoises and the only member of the genus ''Phocoenoides''. The species is named after American naturalist W. H. Dall. Taxon ...

'' :: Genus †'' Piscolithax'' :: Genus †'' Pterophocaena'' :: Genus †'' Salumiphocaena'' :: Genus †''

Semirostrum ''Semirostrum ceruttii'' is an extinct porpoise that lived between 5 and 1.5 million years ago (Ma), during the Pliocene epoch. The species is highly distinctive due to the extremely long symphysis on the lower jaw, reaching lengths of 85&nb ...

'' :: Genus †'' Septemtriocetus'' :Familia incertae sedis :: Genus †'' Graamocetus'' :: Genus †'' Miodelphis'' :: Genus †'' Nannolithax'' :: Genus †'' Oedolithax'' :: Genus †'' Palaeophocaena'' :: Genus †'' Platylithax'' :: Genus †'' Protodelphinus''

References

Toothed whales Extant Oligocene first appearances {{whale-stub