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Pakicetus attocki

Mammalia - Artiodactyla - 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), McLeod and Barnes (2008), Gingerich (2012) and 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
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()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
subphylumVertebrata
Gnathostomata()
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
RankNameAuthor
Cotylosauria()
Amniota
Synapsida()
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
orderArtiodactyla()
Cetacea()
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.

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.