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Joumocetus shimizui

Mammalia - Cetacea

Taxonomy
Joumocetus shimizui was named by Kimura and Hasegawa (2010). Its type specimen is GMNH-PV-2401, a skull, and it is a 3D body fossil. Its type locality is Kabura River, which is in a Tortonian deep-water horizon in the Haraichi Formation of Japan.

Synonymy list
YearName and author
2010Joumocetus shimizui Kimura and Hasegawa p. 578 figs. Fig. 1-6
2013Joumocetus shimizui Bisconti et al. p. 122 figs. Fig. 28
2014Joumocetus shimizui Goldin and Startsev p. 419 figs. Figure 13
2015Joumocetus shimizui Gol'din and Steeman p. 13 figs. Figure 10
2015Joumocetus shimizui Marx and Fordyce p. 4 figs. Figure 2
2016Joumocetus shimizui Marx et al. p. 22 figs. Figure 10
2021Joumocetus shimizui Tonomori et al. p. 60

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Eugnathostomata
Teleostomi(Bonaparte 1836)
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()
subfamilyCetotheriidae()
genusJoumocetus
speciesshimizui

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.

Joumocetus shimizui Kimura and Hasegawa 2010
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Diagnosis
No diagnoses are available
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: Tortonian or 11.63000 to 7.24600 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Tortonian11.63 - 7.246Japan (Gunma) Joumocetus shimizui (type locality: 97324)