Ninjadelphis

Ninjadelphis is an extinct genus of river dolphin from the early Miocene (Burdigalian) of Japan.

Ninjadelphis
Temporal range: Miocene 17 Ma
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Infraorder: Cetacea
Superfamily: Platanistoidea
Family: Allodelphinidae
Genus: Ninjadelphis
Kimura and Barnes, 2016
Species:
N. ujiharai
Binomial name
Ninjadelphis ujiharai
Kimura and Barnes, 2016

The generic name refers to the fact that the type locality, Iga, was a training center in Japan for ninja warriors.[1]

Description

Ninjadelphis is distinguished from other allodelphinids by having a trapezoidal shaped exposure of frontals on cranial vertex, a nuchal crest partly overhanging posterior end of maxilla, a wider basioccipital, and basioccipital crests widely diverging posteriorly .[1]

gollark: That reminds me, I should build one of the MSFRs.
gollark: That *is* basically what they do now, but probably not realistically.
gollark: Is it not going to work quite slowly, though?
gollark: The reactor pair does about 55kRF/t peak, which is nice.
gollark: Please tell me I won't have to know too much nuclear physics to actually use the mod when this comes out...

References

  1. Toshiyuki Kimura and Lawrence G. Barnes (2016). New Miocene fossil Allodelphinidae (Cetacea, Odontoceti, Platanistoidea) from the North Pacific Ocean. Bulletin of the Gunma Museum of Natural History 20: 1–58.


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