| Nipponaspis Temporal range: | |
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| N. takaizumii | |
| Scientific classification | |
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| Genus: | Nipponaspis Koizumi, 1972 |
| Type species | |
| Nipponaspis takaizumii Koizumi, 1972[1] | |
Nipponaspis is a genus of proetid trilobite belonging to the family Phillipsiidae. Fossils of the various species are found in Middle Permian-aged marine strata of Fukushima Prefecture, Japan, China, Korea, and Alaska.
References
- ↑ H. Koizumi. 1972. New genera of trilobite family Phillipsidae from the Takakura-yama Group (Permian), Abukuma Massif in Japan. Earth Science (Chikyu Kagaku) 26:19-25
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