Acanthion is a subgenus of Old World porcupines. This subgenus contains the smaller Hystrix species with comparatively smaller nasals. The extant species have only one black ring or coloured part on the quills. ==Included taxa== Hystrix (Acanthion) javanica F. Cuvier, 1823 Hystrix (A.) brachyura Linnaeus, 1758 Hystrix (A.) b. brachyura Linnaeus, 1... Found on http://en.wikipedia.org/wiki/Acanthion
The tip of the anterior nasal spine. ... Synonym: akanthion. ... Origin: G. Akantha, thorn ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973