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Eocetus schweinfurthi

Mammalia - Cetacea - Protocetidae

Taxonomy
Mesocetus schweinfurthi was named by Fraas (1904). Its type specimen is SMNS 10986, a skull, and it is a 3D body fossil. Its type locality is Schweinfurth locality IV, Gebel Mokattam, which is in a Bartonian open shallow subtidal limestone in the Giushi Formation of Egypt.

It was recombined as Eocetus schweinfurthi by Fraas (1904), Stromer (1908), Abel (1914), Uhen (1999), Uhen (2001), van Vliet (2004), McLeod and Barnes (2008), Uhen (2008), Gingerich (2008), Uhen et al. (2011), Goldin and Zvonok (2013) and Gingerich and Zouhri (2015).

Synonymy list
YearName and author
1904Mesocetus schweinfurthi Fraas p. 21
1904Eocetus schweinfurthi Fraas p. 374
1908Eocetus schweinfurthi Stromer p. 4
1914Eocetus schweinfurthi Abel p. 220
1999Eocetus schweinfurthi Uhen p. 514
2001Eocetus schweinfurthi Uhen p. 136
2004Eocetus schweinfurthi van Vliet p. 143
2008Eocetus schweinfurthi Gingerich p. 109 figs. Table 1
2008Eocetus schweinfurthi McLeod and Barnes p. 93
2008Eocetus schweinfurthi Uhen p. 560
2011Eocetus schweinfurthi Uhen et al. p. 966 figs. Figure 10
2013Eocetus schweinfurthi Goldin and Zvonok p. 262
2015Eocetus schweinfurthi Gingerich and Zouhri p. 282

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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
RankNameAuthor
classMammalia
Theriamorpha(Rowe 1993)
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Artiodactylamorpha
Artiodactyla()
Whippomorpha
orderCetacea
familyProtocetidae
genusEocetus
speciesschweinfurthi()

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.

Eocetus schweinfurthi Fraas 1904
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Diagnosis
ReferenceDiagnosis
M. D. Uhen 2001Eocetus schweinfurthi differs from Eocetus wardii in having a dorsoventrally thinner rostrum and having laterally flaring incisor alveoli, which E. wardii lacks. The embrasure pits located posterior to I3 and C1 on the premaxillae are also more deeply incised in E. schweinfurthi than they are in E. wardii.
Measurements
No measurements are available
Composition: hydroxyapatiteo
Form: roller-shapedo
Ontogeny: modification of partso
Environment: marineo
Locomotion: actively mobileo
Life habit: aquatico
Depth habitat: surfaceo
Diet: carnivoreo
Reproduction: viviparouso
Created: 2005-03-06 14:19:05
Modified: 2017-04-17 10:41:18
Source: o = order
Reference: Uhen 2004

Age range: Bartonian or 41.30000 to 38.00000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Bartonian41.3 - 38.0Western Sahara Eocetus schweinfurthi (175734)
Bartonian41.3 - 38.0Egypt Mesocetus schweinfurthi (type locality: 45626)