Ninjadelphis
Temporal range: Miocene
Scientific classification Edit this classification
Domain: Eukaryota
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

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

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]

References

  1. 1 2 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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