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Cetotheriidae

Mammalia - Cetacea - Cetotheriidae

Taxonomy
Cetotheriinae was named by Brandt (1872). It is extant. Its type is Cetotherium. It was considered monophyletic by Kimura and Hasegawa (2010).

It was reranked as the family Cetotheriidae by Miller (1923), Kellogg (1928), Hay (1930), Simpson (1945), Keyes (1973), Whitmore and Sanders (1977), Mchedlidze (1984), Whitmore (1984), Barnes et al. (1985), Carroll (1988), Mitchell (1989), Pilleri and Pilleri (1989), Pilleri (1990), Vidal (1991), Benton (1993), Fordyce and Barnes (1994), Fordyce et al. (1995), Cozzuol (1996), McKenna and Bell (1997), Rice (1998), Fordyce and de Muizon (2001), Rice (2002), Sanders and Barnes (2002), Yoshida et al. (2003), Fordyce (2003), Geisler and Sanders (2003), Gingerich (2005), Bouetel and Muizon (2006), Bianucci and Landini (2007), Steeman (2007), Otsuka and Ota (2008), Whitmore and Kaltenbach (2008), Uhen et al. (2008), Canto et al. (2010), Steeman (2010), Kimura and Hasegawa (2010), Tarasenko and Lopatin (2012), Tarasenko and Lopatin (2012), Bisconti et al. (2013), Bisconti (2014), Goldin et al. (2014), El Adli et al. (2014), Gol'din and Steeman (2015), Marx and Fordyce (2015), Marx et al. (2016), Buono et al. (2017), Marx et al. (2017), Goldin and Startsev (2017), Berta (2017), Gol'din (2018), Tanaka et al. (2018) and Marx et al. (2019).

It was assigned to Mysticete by Hay (1930); to Balaenopteridae by Brandt (1873), Brandt (1874) and Riabinin (1934); to Balaenomorpha by Geisler and Sanders (2003); to Balaenopteroidea by Mitchell (1989), Sanders and Barnes (2002) and Gingerich (2005); to Eomysticetoidea by Bianucci and Landini (2007); to Mysticeti by Canto et al. (2010) and Goldin et al. (2014); to Chaeomysticeti by Rice (1998), El Adli et al. (2014) and Marx et al. (2017); to Plicogulae by Marx and Fordyce (2015), Marx et al. (2016) and Buono et al. (2017); to Thalassotherii by Bisconti et al. (2013), Bisconti (2014) and Berta (2017); to Mysticeti by Miller (1923), Kellogg (1928), Simpson (1945), Keyes (1973), Whitmore and Sanders (1977), Mchedlidze (1984), Whitmore (1984), Barnes et al. (1985), Carroll (1988), Pilleri and Pilleri (1989), Pilleri (1990), Vidal (1991), Benton (1993), Fordyce and Barnes (1994), Fordyce et al. (1995), Cozzuol (1996), McKenna and Bell (1997), Fordyce and de Muizon (2001), Rice (2002), Yoshida et al. (2003), Fordyce (2003), Bouetel and Muizon (2006), Otsuka and Ota (2008), Whitmore and Kaltenbach (2008), Uhen et al. (2008), Kimura and Hasegawa (2010) and Tanaka et al. (2018); to Cetotherioidea by Steeman (2007), Steeman (2010), Tarasenko and Lopatin (2012), Tarasenko and Lopatin (2012), Gol'din and Steeman (2015), Goldin and Startsev (2017) and Gol'din (2018); and to Chaeomysticeti by Marx et al. (2019).

Synonymy list
YearName and author
1872Cetotheriinae Brandt p. 116
1873Cetotheriinae Brandt p. 26
1874Cetotherinae Brandt p. I
1923Cetotheriidae Miller p. 40
1928Cetotheriidae Kellogg p. 35 figs. Table 1
1930Cetotheriidae Hay p. 571
1934Cetotheriinae Riabinin p. 4
1945Cetotheriidae Simpson p. 104
1973Cetotheriidae Keyes p. 390
1977Cetotheriidae Whitmore and Sanders p. 305
1984Cetotheriidae Mchedlidze p. 5
1984Cetotheriidae Whitmore p. 230
1985Cetotheriidae Barnes et al. p. 26
1988Cetotheriidae Carroll
1989Cetotheriidae Mitchell p. 2232
1989Cetotheriidae Pilleri and Pilleri
1990Cetotheriidae Pilleri p. 58
1991Cetotheriidae Vidal p. 6
1993Cetotheriidae Benton p. 762
1994Cetotheriidae Fordyce and Barnes p. 428 figs. Table 1
1995Cetotheriidae Fordyce et al. p. 379
1996Cetotheriidae Cozzuol p. 324
1997Cetotheriidae McKenna and Bell p. 375
1998Cetotheriidae Rice
2001Cetotheriidae Fordyce and de Muizon p. 176
2002Cetotheriidae Rice p. 231 figs. Table 1
2002Cetotheriidae Sanders and Barnes p. 353
2003Cetotheriidae Fordyce p. 156 figs. Figure 9.1
2003Cetotheriidae Geisler and Sanders p. 27
2003Cetotheriidae Yoshida et al. p. 2
2005Cetotheriidae Gingerich p. 237 figs. Table 15.1
2006Cetotheriidae Bouetel and Muizon p. 323
2007Cetotheriidae Bianucci and Landini p. 45 figs. Table 2.1
2007Cetotheriidae Steeman p. 880
2008Cetotheriidae Otsuka and Ota p. 12
2008Cetotheriidae Uhen et al. p. 612
2008Cetotheriidae Whitmore and Kaltenbach p. 242
2010Cetotheriidae Canto et al. p. 22
2010Cetotheriidae Kimura and Hasegawa p. 578
2010Cetotheriidae Steeman p. 74
2012Cetotheriidae Tarasenko and Lopatin p. 532
2013Cetotheriidae Bisconti et al. p. 98
2014Cetotheriidae Bisconti
2014Cetotheriidae El Adli et al. p. 403
2014Cetotheriidae Goldin et al. p. 797
2015Cetotheriidae Gol'din and Steeman p. 12
2015Cetotheriidae Marx and Fordyce p. 4 figs. Figure 2
2016Cetotheriidae Marx et al. p. 22 figs. Figure 10
2017Cetotheriidae Berta p. 168
2017Cetotheriidae Buono et al. p. 32 figs. Fig. 12
2017Cetotheriidae Goldin and Startsev figs. Fig. 10
2017Cetotheriidae Marx et al. p. 2
2018Cetotheriidae Gol'din p. 6
2018Cetotheriidae Tanaka et al. p. 297
2019Cetotheriidae Marx et al. p. 4

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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
orderCetacea
Pelagiceti
Neoceti
suborderMysticeti
Chaeomysticeti()
familyCetotheriidae()
familyCetotheriidae()

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
ReferenceDiagnosis
P. Goldin et al. 2014Toothless mysticetes characterised by (i) strongly telescoped facial bones, with the anterior margin of the nasal located at or posterior to the level of the antorbital notch, the ascending processes of the maxilla extending posteriorly to the level of the postorbital process of the frontal, and the combined posterior edges of the nasal, premaxilla and maxilla being wedge-shaped and extending almost to the tip of the occipital shield (X-shaped vertex); (ii) ascending processes of the maxillae with concave lateral margins (in dorsal view), contacting medially or approximating each other at their posterior apices; (iii) a dorsoventrally thickened distal portion of the lateral process of the maxilla; (iv) a distally widened supraorbital process of the frontal; (v) a shallow glenoid fossa; (vi) a supraoccipital shield extending no further anteriorly than the line joining the postorbital processes of the frontals; (vii) a paroccipital process extending posterior to the posterior edge of the occipital condyle in dorsal view; (viii) a transversely narrow sigmoid process of the tympanic bulla lacking an inflated base; (ix) a well-developed anterior pro- cess and lateral tuberosity of the periotic; (x) a short posterior process of the tympanoperiotic with a flattened distal surface broadly exposed on the posterolateral wall of the skull; and (xi) a mandible having an angular process extending posterior to the condyle, a condyle oriented obliquely to the long axis of the body, and a small and laterally bent coronoid process.