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Pontoporia blainvillei

Mammalia - Cetacea - Pontoporiidae

Taxonomy
Delphinus blainvillei was named by Gervais and d'Orbigny (1844). It is extant. Its type specimen is MNHM unnumbered specimen, a skull (skull). Its type locality is Rio de La Plata, which is in a Holocene fluvial horizon in Uruguay.

It was recombined as Pontoporia blainvillii by Gray (1846), Gray (1850), Gray (1866), Gray (1868), Gray (1871), Scott (1873), Moreno (1888), Geisler et al. (2011); it was recombined as Stenodelphis blainvillei by Trouessart (1898), Trouessart (1904), Gondar (1966); it was recombined as Pontoporia blainvilli by Turner (1912); it was recombined as Pontoporia blainvillei by Van Beneden and Gervais (1880), Ameghino (1889), Hershkovitz (1961), Scheffer and Rice (1963), Hershkovitz (1966), Rice (1998), Bergqvist et al. (1999), Mead and Brownell (2005), Agnarsson and May-Collado (2008), Uhen et al. (2008), Jefferson (2021).

Synonyms
Synonymy list
YearName and author
1844Delphinus blainvillei Gervais and d'Orbigny p. 39
1846Pontoporia blainvillii Gray p. 46 figs. Plate 29, Figs. 1-2
1850Pontoporia blainvillii Gray p. 134
1866Pontoporia blainvillii Gray p. 231
1868Pontoporia blainvillii Gray p. 4
1871Pontoporia blainvillii Gray p. 96
1871Pontoporia tenuirostris Malm p. 46 figs. Pl. w, Fig. 10a, 10b-c, pl. 4, fig. 34
1873Pontoporia blainvillii Scott p. 66
1880Pontoporia blainvillei Van Beneden and Gervais p. 476
1888Pontoporia blainvillii Moreno p. 22
1889Pontoporia blainvillei Ameghino p. 884
1898Stenodelphis blainvillei Trouessart p. 1016
1898Stenodelphis tenuirostris Trouessart p. 1017
1904Stenodelphis blainvillei Trouessart p. 758
1912Pontoporia blainvilli Turner p. 96
1961Pontoporia blainvillei Hershkovitz p. 554
1963Pontoporia blainvillei Scheffer and Rice p. 5
1966Stenodelphis blainvillei Gondar p. 140
1966Pontoporia blainvillei Hershkovitz p. 6
1998Pontoporia blainvillei Rice
1999Pontoporia blainvillei Bergqvist et al. p. 31
2005Pontoporia blainvillei Mead and Brownell p. 739
2008Pontoporia blainvillei Agnarsson and May-Collado p. 981 figs. Fig. 5
2008Pontoporia blainvillei Uhen et al. p. 586
2011Pontoporia blainvillii Geisler et al. p. 6 figs. Table 1
2021Pontoporia blainvillei Jefferson p. 60

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
classMammalia
RankNameAuthor
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
—Whippomorpha
orderCetacea
—Pelagiceti
—Neoceti
suborderOdontoceti
infraorderDelphinida
superfamilyInioidea
familyPontoporiidae
genusPontoporia
speciesblainvillei()

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.

Pontoporia blainvillei Gervais and d'Orbigny 1844
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Invalid names: Pontoporia tenuirostris Malm 1871 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatitesubo
Form: roller-shapedo
Ontogeny: modification of partso
Environment: freshwaterg
Locomotion: actively mobileo
Life habit: aquaticg
Depth habitat: surfaceo
Diet: piscivoreg
Reproduction: viviparoussubo
Created: 2015-04-14 16:57:35
Modified: 2015-04-14 16:57:35
Source: g = genus, subo = suborder, o = order
References: Hirota and Barnes 1995, Uhen 2004

Age range: base of the Calabrian to the top of the Holocene or 1.80000 to 0.00000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Calabrian1.8 - 0.774Brazil Pontoporia blainvillei (52644)
Middle Pleistocene - Late/Upper Pleistocene0.774 - 0.0117Brazil (Rio Grande do Sul) Pontoporia blainvillei (223944)
Late/Upper Pleistocene0.129 - 0.0117Brazil (Rio Grande do Sul) Pontoporia blainvillei (59978)
Holocene0.0117 - 0.0Brazil (Rio Grande do Sul) Pontoporia blainvillei (68025)
Holocene0.0117 - 0.0Uruguay Delphinus blainvillei (type locality: 86873)
Holocene0.0117 - 0.0Brazil Pontoporia blainvillei (68026)