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Pakicetus attocki

Osteichthyes - Cetacea - Pakicetidae

Taxonomy
Protocetus attocki was named by West (1980). Its type specimen is H-GSP 1694, a mandible, and it is a 3D body fossil. Its type locality is H-GSP 62, which is in a Lutetian coarse channel fill conglomerate in the Kuldana Formation of Pakistan.

It was recombined as Pakicetus attocki by Gingerich and Russell (1981), Thewissen and Hussain (1998), Williams (1998), Thewissen et al. (2001), van Vliet (2004), McLeod and Barnes (2008), Gingerich (2012), Gingerich and Cappetta (2014).

Synonymy list
YearName and author
1980Protocetus attocki West p. 515 figs. Plate 1, Fig. 5
1981Pakicetus attocki Gingerich and Russell p. 243 figs. Fig. 5
1998Pakicetus attocki Thewissen and Hussain p. 231
1998Pakicetus attocki Williams p. 3
2001Pakicetus attocki Thewissen et al. p. 351 figs. Table 1
2004Pakicetus attocki van Vliet p. 143
2008Pakicetus attocki McLeod and Barnes p. 92
2012Pakicetus attocki Gingerich p. 313 figs. Figure 4
2014Pakicetus attocki Gingerich and Cappetta p. 128 figs. Figure 16

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
RankNameAuthor
—Mammaliamorpha
—Mammaliaformes
classMammalia
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
—Whippomorpha
orderCetacea
familyPakicetidae()
genusPakicetus
speciesattocki()

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.

†Pakicetus attocki West 1980
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Diagnosis
ReferenceDiagnosis
P. D. Gingerich and D. E. Russell 1981Differs from Pakicetus inachus in lacking serrations on the anterior and
posterior crests of the lower premolars.
Measurements
No measurements are available
Composition: phosphaticsubf
Form: roller-shapedo
Ontogeny: modification of partssubf
Environment: freshwater, terrestrialsubf
Locomotion: actively mobilesubf
Life habit: amphibioussubf
Depth habitat: surfacesubf
Diet: carnivoresubf
Reproduction: viviparoussubf
Created: 2005-09-09 10:02:09
Modified: 2005-09-09 12:02:09
Source: subf = subfamily, o = order
References: Thewissen et al. 2001, Uhen 2004

Age range: base of the Ypresian to the top of the Lutetian or 56.00000 to 41.03000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Ypresian56.0 - 48.07India (Jammu and Kashmir) Ichthyolestes pinfoldi (45588)
Lutetian48.07 - 41.03Pakistan (Punjab) Basilosauridae indet. (49002) Pakicetus attocki (45529) Protocetus attocki (type locality: 45586)