Kentriodontidae

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Kentriodontidae
Temporal range: Oligocene to Pliocene
Rudicetus squalodontoides skull
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Infraorder: Cetacea
Clade: Delphinida
Superfamily: Delphinoidea
Family: †Kentriodontidae
Slijper, 1936
Genera

See text

Kentriodontidae is an extinct family of

extinct.[1]

Taxonomy

Kentriodontids have been variously divided into three or four subfamilies: Kampholophinae, Kentriodontinae, Lophocetinae, and Pithanodelphinae.[1] However, some cladistic studies have recovered Kentriodontidae as paraphyletic[2][3][4][5][6] while others have recovered the family as monophyletic.[7][8]

For instance,

Inioidea,[5] and Atocetus and Lophocetus have been recovered as a pontoporiid and ziphiid sister taxon respectively, while Hadrodelphis, Kampholophos, Macrokentriodon, and Miminiacetus are recovered in a clade phylogenetically intermediate between Kentriodon and derived delphinidans ((Inioidea+Lipotidae)+Delphinoidea).[9] Peredo et al. (2018) restrict Kentriodon to Kampholophos, Kentriodon, Rudicetus, and Wimahl, and remove Pithanodelphininae and its putative constituent genera (Leptodelphis, Pithanodelphis, Sarmatodelphis, Sophianacetus, and Tagicetus) as well as Microphocaena from Kentriodontidae.[10]

Genera

Notes

  1. ^ a b "PBDB".
  2. ^ Geisler JH McGowen MR Yang G Gatesy J . 2011. A supermatrix analysis of genomic, morphological, and paleontological data for crown Cetacea. BMC Evolutionary Biology 11: 112.
  3. ^ Murakami M Shimada C Hikida Y Hirano H . 2012. Two new extinct basal phocoenids (Cetacea, Odontoceti, Delphinoidea), from the upper Miocene Koetoi Formation of Japan and their phylogenetic significance. Journal of Vertebrate Paleontology 32: 1172–1185.
  4. ^ Murakami M Shimada C Hikida Y Soeda Y Hirano H . 2014. Eodelphis kabatensis, a new name for the oldest true dolphin Stenella kabatensis Horikawa, 1977 (Cetacea, Odontoceti, Delphinidae), from the upper Miocene of Japan, and the phylogeny and paleobiogeography of Delphinoidea. Journal of Vertebrate Paleontology 34: 491–511.
  5. ^
    Pyenson ND
    Vélez-Juarbe J Gutstein CS Little H Vigil D O’Dea A . 2015. Isthminia panamensis, a new fossil inioid (Mammalia, Cetacea) from the Chagres Formation of Panama and the evolution of ‘river dolphins’ in the Americas. PeerJ 3: e1227.
  6. ^ a b O. Lambert, G. Bianucci, M. Urbina and J. H. Geisler. 2017. A new inioid (Cetacea, Odontoceti, Delphinida) from the Miocene of Peru and the origin of modern dolphin and porpoise families. Zoological Journal of the Linnean Society 179:919-946.
  7. PMID 30225172
    .
  8. ^
    PMID 36791148
    .
  9. ^ Post K, Louwye S, Lambert O. (2017) Scaldiporia vandokkumi, a new pontoporiid (Mammalia, Cetacea, Odontoceti) from the Late Miocene to earliest Pliocene of the Westerschelde estuary (The Netherlands) PeerJ 5:e3991 https://doi.org/10.7717/peerj.3991
  10. ^ Carlos Mauricio Peredo, Mark D. Uhen & Margot D. Nelson (2018): A new kentriodontid (Cetacea: Odontoceti) from the early Miocene Astoria Formation and a revision of the stem delphinidan family Kentriodontidae, Journal of Vertebrate Paleontology, DOI: 10.1080/02724634.2017.1411357

References
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