PBDB Taxon

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Iniidae

Mammalia - Cetacea - Iniidae

Taxonomy

Iniana was named by Gray (1846). It is extant. It was considered monophyletic by Gill (1873).

It was synonymized subjectively with Paninia by Pyenson et al. (2015); it was reranked as the family Iniidae by Gray (1866), Gray (1868), Gill (1872), Gill (1873), True (1908), Miller (1923), Kellogg (1928), Hay (1930), Rensberger (1969), Kasuya (1973), Muizon (1984), Barnes et al. (1985), Cozzuol (1985), Cozzuol (1988), de Muizon (1988), Benton (1993), Fordyce and Barnes (1994), Fordyce et al. (1995), McKenna and Bell (1997), Rice (1998), Bergqvist et al. (1999), Fordyce and de Muizon (2001), Rice (2002), Geisler and Sanders (2003), Gingerich (2005), Mead and Brownell (2005), Bianucci and Landini (2007), Uhen et al. (2008), Rice (2009), Cozzuol (2010), Geisler et al. (2011), Valerio and Laurito (2012), Geisler et al. (2012), Marx et al. (2016), Berta (2017), Aguirre-Fernández et al. (2017), Lambert et al. (2018) and Godfrey et al. (2021).

It was assigned to Delphinidae by Gray (1846); to Denticete by Gill (1872); to Denticete by Gray (1866) and Gill (1873); to Odontocete by Hay (1930); to Delphinoidea by Gray (1868) and McKenna and Bell (1997); to Platanistoidea by Kasuya (1973), Barnes et al. (1985), Cozzuol (1985), Cozzuol (1988) and Geisler and Sanders (2003); to Odontoceti by True (1908), Miller (1923), Kellogg (1928), Rensberger (1969), Benton (1993), Fordyce and Barnes (1994), Fordyce et al. (1995), Rice (1998), Bergqvist et al. (1999), Rice (2002) and Mead and Brownell (2005); to Delphinida by Uhen et al. (2008); and to Inioidea by Muizon (1984), de Muizon (1988), Fordyce and de Muizon (2001), Gingerich (2005), Bianucci and Landini (2007), Rice (2009), Cozzuol (2010), Geisler et al. (2011), Valerio and Laurito (2012), Geisler et al. (2012), Marx et al. (2016), Berta (2017), Aguirre-Fernández et al. (2017), Lambert et al. (2018) and Godfrey et al. (2021).

Subtaxa

Goniodelphis, Inia, Iniinae, Ischyrorhynchus (syn. Anisodelphis), Isoninia, Isthminia, Kwanzacetus, Meherrinia, Plicodontinia mourai, Pontoplanodidae, Saurocetes (syn. Saurodelphis, Pontoplanodes)

Sister taxa

Pontoplanodidae

Synonyms

Stenodelphininae was named by Miller (1923). It is extant.

It was synonymized subjectively with Pontoporiinae by Scheffer and Rice (1963); it was synonymized subjectively with Iniidae by Mead and Brownell (2005).

It was assigned to Delphinidae by Miller (1923) and Hay (1930); and to Platanistidae by Simpson (1945) and Fraser and Purves (1960).
Plicodontinia mourai was named by Miranda-Ribeiro (1938) [Miranda-Ribeiro (1938) does not list the specimen number of the type . Bergqvist et al. (1999) indicate that the type specimen is now lost. ]. It is a 3D body fossil. Its type locality is Juruá River, which is in a Miocene fluvial-lacustrine horizon in the Solimoes Formation of Brazil.

It was considered a nomen dubium by de Muizon (1988); it was considered a nomen dubium by Fordyce and de Muizon (2001) and Geisler et al. (2012).
Pontoplanodidae was named by Ameghino (1894).

It was considered an invalid subgroup of Iniidae by Barnes et al. (1985).

It was assigned to Odontoceta by Ameghino (1894).

Synonymy list

Year	Name and author
1846	Iniana Gray p. 45
1866	Iniidae Gray p. 226
1868	Iniidae Gray p. 4
1872	Iniidae Gill p. 94
1873	Iniidae Gill
1894	Pontoplanodidae Ameghino p. 437
1908	Iniidae True p. 391
1923	Iniidae Miller p. 40
1923	Stenodelphininae Miller p. 40
1928	Iniidae Kellogg p. 32 figs. Table 1
1930	Iniidae Hay p. 582
1930	Stenodelphininae Hay p. 593
1938	Plicodontinia mourai Miranda-Ribeiro p. 319
1945	Stenodelphininae Simpson p. 101
1956	Plicodontinia mourai Paula Couto p. 99
1960	Stenodelphininae Fraser and Purves p. 112 figs. Figure 26
1969	Iniidae Rensberger
1973	Iniidae Kasuya p. 61
1984	Iniidae Muizon p. 68
1985	Iniidae Barnes et al. p. 25
1985	Iniidae Cozzuol p. 42
1988	Iniidae Cozzuol p. 39
1988	Iniidae de Muizon p. 182
1993	Iniidae Benton p. 762
1994	Iniidae Fordyce and Barnes p. 429 figs. Table 1
1995	Iniidae Fordyce et al. p. 380
1997	Iniidae McKenna and Bell p. 387
1998	Iniidae Rice
1999	Iniidae Bergqvist et al. p. 31
1999	Plicodontinia mourai Bergqvist et al. p. 31
2001	Iniidae Fordyce and de Muizon p. 179
2002	Iniidae Rice p. 231 figs. Table 1
2003	Iniidae Geisler and Sanders p. 28
2005	Iniidae Gingerich p. 237 figs. Table 15.1
2005	Iniidae Mead and Brownell p. 738
2007	Iniidae Bianucci and Landini p. 46 figs. Table 2.1
2008	Iniidae Uhen et al. p. 586
2009	Iniidae Rice p. 235 figs. Table 1
2010	Iniidae Cozzuol p. 203
2011	Iniidae Geisler et al. p. 6 figs. Table 1
2012	Iniidae Geisler et al. p. 207 figs. Figure 7
2012	Iniidae Valerio and Laurito p. 153
2016	Iniidae Marx et al. p. 131
2017	Iniidae Aguirre-Fernández et al.
2017	Iniidae Berta p. 164
2018	Iniidae Lambert et al. p. 6
2021	Iniidae Godfrey et al. p. 276

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
subclass	Synapsida
—	Therapsida	()
infraorder	Cynodontia	()
—	Mammaliamorpha
—	Mammaliaformes
class	Mammalia
—	Theriamorpha	(Rowe 1993)

Rank	Name	Author
—	Theriiformes	()
—	Trechnotheria
—	Cladotheria
—	Zatheria
subclass	Tribosphenida	()
subclass	Theria
—	Eutheria	()
—	Placentalia
—	Boreoeutheria
—	Laurasiatheria
—	Scrotifera
—	Euungulata
—	Artiodactylamorpha
—	Artiodactyla	()
—	Whippomorpha
order	Cetacea
—	Pelagiceti
—	Neoceti
suborder	Odontoceti
infraorder	Delphinida
superfamily	Inioidea
family	Iniidae	()
family	Iniidae	()

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.

Fm. Iniidae Gray 1846

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G. †Goniodelphis Allen 1941

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†Goniodelphis hudsoni Allen 1941

G. Inia d'Orbigny 1834

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Inia geoffrensis Blainville 1817

Inia geoffrensis boliviensis d'Orbigny 1834

Invalid names: Delphinus amazonicus Spix and Martius 1831 [synonym], Delphinus frontatus Cuvier 1823 [synonym], Delphinus inia Rapp 1837 [synonym], Delphinus rostratus Cuvier 1812 [synonym], Inia amazonica Spix and Martins 1823 [synonym], Inia araguaiaensis Hrbek et al. 2014 [synonym], Sotallia pallida Sanborn 1949 [synonym]

Invalid names: Delphinus rostratus Shaw 1804 [nomen oblitum]

Subfm. Iniinae Flower 1867

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Invalid names: Plicodontinia Miranda-Ribeiro 1938 [nomen dubium]

G. †Ischyrorhynchus Ameghino 1891

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†Ischyrorhynchus vanbenedeni Ameghino 1891

Invalid names: Anisodelphis brevirostratus Rovereto 1915 [synonym]

Invalid names: Anisodelphis Rovereto 1915 [synonym]

G. †Isoninia Godfrey et al. 2021

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†Isoninia borealis Godfrey et al. 2021

G. †Isthminia Pyenson et al. 2015

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†Isthminia panamensis Pyenson et al. 2015

G. †Kwanzacetus Lambert et al. 2018

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†Kwanzacetus khoisani Lambert et al. 2018

G. †Meherrinia Geisler et al. 2012

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†Meherrinia isoni Geisler et al. 2012

G. †Saurocetes Burmeister 1871

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†Saurocetes argentinus Burmeister 1871

Invalid names: Pontoplanodes obliquus Ameghino 1891 [synonym], Saurocetes obliquus Ameghino 1891 [synonym], Saurodelphis acutirostratus Rovereto 1915 [synonym]

†Saurocetes gigas Cozzuol 1988

Invalid names: Saurodelphis Burmeister 1891 [synonym]

Invalid names: Plicodontinia mourai Miranda-Ribeiro 1938 [nomen dubium], Pontoplanodidae Ameghino 1894 [invalid subgroup], Stenodelphinidae Miller 1923 [synonym]

Diagnosis

No diagnoses are available