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Heterocetus

Mammalia - Artiodactyla - Cetotheriidae

Taxonomy
Heterocetus was named by Capellini (1877) [Sepkoski's age data: T Mi-m T Mi-u Sepkoski's reference number: 746]. It was considered monophyletic by Newton (1891).

It was synonymized subjectively with Cetotherium by Lydekker (1887); it was reranked as Cetotherium (Heterocetus) by Newton (1891); it was synonymized subjectively with Plesiocetus by True (1912); it was considered a nomen dubium by Kimura and Ozawa (2002); it was considered a nomen dubium by Uhen and Pyenson (2007); it was considered a nomen dubium by Steeman (2010).

It was assigned to Cetotherium by Newton (1891); to Balaenopterinae by Trouessart (1898) and Trouessart (1904); to Balaenopteridae by Flores (1895) and Zittel (1925); to Cetacea by Sepkoski (2002); to Cetotheriinae by Whitmore and Barnes (2008); to Balaenopteroidea by Hampe and Ritsche (2011); and to Cetotheriidae by Kellogg (1928), Kellogg (1931), Simpson (1945), Carroll (1988), McKenna and Bell (1997), Lanzetti (2014) and Carone and Marra (2014).

Synonyms
Synonymy list
YearName and author
1877Heterocetus Capellini
1886Heterocetus sprangii Van Beneden p. 36 figs. Plates 30-33
1891Cetotherium (Heterocetus) Newton p. 65
1895Heterocetus Flores p. 14
1898Heterocetus Trouessart p. 1075
1898Heterocetus sprangii Trouessart p. 1075
1904Heterocetus Trouessart p. 781
1904Heterocetus sprangii Trouessart p. 781
1925Heterocetus Zittel p. 87
1928Heterocetus Kellogg p. 35 figs. Table 1
1931Heterocetus Kellogg p. 312
1931Plesiocetus sprangi Van Deinse p. 133
1945Heterocetus Simpson p. 105
1988Heterocetus Carroll
1997Heterocetus McKenna and Bell p. 376
2002Heterocetus Sepkoski, Jr.
2008Heterocetus Whitmore and Barnes p. 144
2011Heterocetus Hampe and Ritsche p. 101
2014Heterocetus Carone and Marra p. 123
2014Heterocetus Lanzetti p. 112

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
RankNameAuthor
Synapsida()
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
orderArtiodactyla()
Cetacea()
Pelagiceti
Neoceti
Mysticeti()
Chaeomysticeti()
familyCetotheriidae()
genusHeterocetus

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
No diagnoses are available