Orcinus paleorca

Orcinus paleorca; Temporal range: Pleistocene PreЄ Є O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Artiodactyla
Infraorder:	Cetacea
Family:	Delphinidae
Genus:	Orcinus
Species:	O. paleorca
Binomial name
	Orcinus paleorca; (H. Matsumoto, 1937)

Orcinus paleorca is an early species of killer whale from the Pleistocene.^[1]

Discovery

Fossil remains have been found in Naganuma area in Japan. It was named in 1937 by H. Matsumoto. The type specimen is a tooth, compressedly oval in transverse section and broadening on the sides and back.^[2] Its remains were found near the Seto Inland Sea.^[3]

References

↑ "Fossilworks Orca paleorca Matsumoto 1937".
↑ "A New Species of Orc from the Basal Calabrian at Naganuma, Minato Town, Province of Kazusa, Japan [in Japanese]". Matsumoto Hikoshichiro.
↑ "Quaternary Mammalian Faunas in the Japanese Islands1)". https://www.jstage.jst.go.jp/article/jaqua1957/30/3/30_3_213/_pdf. External link in |journal= (help)

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[1] "Fossilworks Orca paleorca Matsumoto 1937".

[2] "A New Species of Orc from the Basal Calabrian at Naganuma, Minato Town, Province of Kazusa, Japan [in Japanese]". Matsumoto Hikoshichiro.

[3] "Quaternary Mammalian Faunas in the Japanese Islands1)". https://www.jstage.jst.go.jp/article/jaqua1957/30/3/30_3_213/_pdf. External link in |journal= (help)