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Yamatocetus canaliculatus

Mammalia - Cetacea - Eomysticetidae

Taxonomy
Yamatocetus canaliculatus was named by Okazaki (2012). Its type specimen is KMNH VP 000.017, a partial skeleton (skull and skeleton), and it is a 3D body fossil. Its type locality is Kitakyushu City, which is in a Chattian marine sandstone in the Jinnobaru Formation of Japan.

Synonymy list
YearName and author
2012Yamatocetus canaliculatus Okazaki p. 129 figs. Figs. 2- 29; Tables 2-6
2015Yamatocetus canaliculatus Marx and Fordyce p. 4 figs. Figure 2
2016Yamatocetus canaliculatus Fordyce and Marx p. 114 figs. Fig. 4
2017Yamatocetus canaliculatus Boessenecker and Fordyce
2017Yamatocetus canaliculatus Tsai and Kohno
2018Yamatocetus canaliculatus Fordyce and Marx p. 5 figs. Fig. 4

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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
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Artiodactylamorpha
Artiodactyla()
Whippomorpha
orderCetacea
Pelagiceti
Neoceti
suborderMysticeti
Chaeomysticeti()
familyEomysticetidae
genusYamatocetus
speciescanaliculatus

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.

Yamatocetus canaliculatus Okazaki 2012
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Diagnosis
ReferenceDiagnosis
Y. Okazaki 2012Yamatocetus canaliculatus differs from olher named eomysticetids in; without elevation at midline of nasals; with gingival grooves on both upper and lower jaws; with large supraorbital process with parallel anterior and posterior margins in dorsal view; with rather blunt tip of rostrum.
Measurements
No measurements are available
Composition: hydroxyapatitesubo
Form: roller-shapedo
Ontogeny: modification of partso
Environment: marinesubo
Locomotion: actively mobileo
Life habit: aquaticsubo
Depth habitat: surfaceo
Diet: carnivoresubo
Diet 2: suspension feedersubo
Reproduction: viviparouso
Created: 2005-03-06 14:20:41
Modified: 2005-03-06 16:34:40
Source: subo = suborder, o = order
Reference: Uhen 2004

Age range: Chattian or 28.10000 to 23.03000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Chattian28.1 - 23.03Japan (Fukuoka) Cetotheriidae indet. (type locality: 45804)