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Miophocaena

Mammalia - Cetacea - Phocoenidae

Synonymy list
YearName and author
2012Miophocaena Murakami et al. p. 1173 figs. Figure 6
2014Miophocaena Murakami et al. p. 502 figs. Figure 7
2015Miophocaena Colpaert et al. p. 9 figs. Figure 8
2016Miophocaena Marx et al. p. 139
2017Miophocaena Berta p. 165

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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
classMammalia
Theriamorpha(Rowe 1993)
RankNameAuthor
Theriiformes()
Trechnotheria
Cladotheria
Zatheria
subclassTribosphenida()
subclassTheria
Eutheria()
Placentalia
Boreoeutheria
Laurasiatheria
Scrotifera
Euungulata
Artiodactylamorpha
Artiodactyla()
Whippomorpha
orderCetacea
Pelagiceti
Neoceti
suborderOdontoceti
infraorderDelphinida
superfamilyDelphinoidea
familyPhocoenidae()
genusMiophocaena

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.

G. †Miophocaena Murakami et al. 2012
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Miophocaena nishinoi Murakami et al. 2012
Diagnosis
ReferenceDiagnosis
M. Murakami et al. 2012Assigned to Phocoenidae based on presence of fossae for inferior vestibules, premaxillary eminences, and a frontal boss. Differs from all other phocoenids by presence of gently inclined vertex and dorsoventrally stout stylohyoid that does not bend ventrally. Differing from all phocoenids except Archaeophocaena by having right ascending process of premax- illa attached to right nasal, very wide premaxillae at position of premaxillary sac fossae, wide ascending processes of pre- maxillae, and narrow fossae for inferior vestibules. Differs from all phocoenids except Archaeophocaena and Haborophocoena spp. by having anteriorly diverging mesorostral groove at level of antorbital notch and ascending process of right premaxil- lae being much wider than its counterpart on the left. Differs from all phocoenids except Archaeophocaena, Haborophocoena spp., and Septemtriocetus bosselaersi by having low premaxil- lary eminences. Differs from all phocoenids except Archaeopho- caena, Haborophocoena spp., and Piscolithax tedfordi by having strongly left-skewed skull. Differs from all extinct phocoenids by having anteroposteriorly extended, narrow, additional postero- lateral sulci (medial to lateral edge of premaxillae). Differs from all extinct phocoenids except Archaeophocaena and Haboropho- coena toyoshimai in having anteromedial and posteromedial sulci unconnected to premaxillary foramina. Differs from Lomacetus, Phocoena spp., and Phocoenoides by having a well-developed an- torbital notch. Differs from Neophocoena, Phocoena phocoena, and Phocoenoides by having a massive, globular, anterior process of periotic.
Measurements
No measurements are available
Composition: hydroxyapatitesubo
Form: roller-shapedo
Ontogeny: modification of partso
Environment: marine, freshwatersubo
Locomotion: actively mobileo
Life habit: aquatico
Depth habitat: surfaceo
Diet: piscivoref
Reproduction: viviparoussubo
Created: 2005-06-08 10:11:09
Modified: 2005-06-08 12:11:09
Source: f = family, subo = suborder, o = order
References: Nowak 1991, Uhen 2004

Age range: Messinian or 7.24600 to 5.33300 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Messinian7.246 - 5.333Japan (Hokkaido) M. nishinoi (133431)