Acanthion
Acanthion is a subgenus of Old World porcupines in the genus Hystrix. It contains two species, H. javanica and H. brachyura, the smaller species with comparatively smaller nasals. The extant species have only one black ring or coloured part on the quills.[1]
| Acanthion | |
|---|---|
 | |
| Malayan porcupine (Hystrix brachyura) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Hystricidae |
| Genus: | Hystrix Linnaeus, 1758 |
| Subgenus: | Acanthion F. Cuvier, 1823 |
Included taxa
- Hystrix (Acanthion) javanica F. Cuvier, 1823 – Sunda porcupine
- Hystrix (A.) brachyura Linnaeus, 1758 – Malayan porcupine
- Hystrix (A.) b. brachyura Linnaeus, 1758
- Hystrix (A.) b. hodgsoni Gray, 1847
- Hystrix (A.) b. subcristata Swinhoe, 1870
- Hystrix (A.) b. punungensis subsp. nov.
gollark: Observe:x = i^iln x = i ln ie^i(π * (2n + 0.5)) = i forall natural Nln i = i(π * (2n + 0.5))ln x = i i(π * (2n + 0.5))ln x = -1(π * (2n + 0.5))x = e^(-1(π * (2n + 0.5)))
gollark: There are many possible values.
gollark: The -1/12 thing.
gollark: You can also get that from some dubiously valid manipulation of the infinite sum directly right?
gollark: You can call it that. I just enjoy quoting things.
References
- Van Weers, D. J. (2005). A taxonomic revision of the Pleistocene Hystrix (Hystricidae, Rodentia) from Eurasia with notes on the evolution of the family. Contributions to Zoology 74(3/4), 301-12.
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