Echidna (Tachyglossidae) "Tachyglossus aculeatus" by Dhobern via Flickr, Creative Commons Attribution. | Hedgehog, gymnures and moonrats (Erinaceomorpha) "Siil I" by Tauno Erik via Flickr, Creative Commons Attribution ShareAlike. |
New World porcupines (Erethizontidae) "Prehensile-tailed Porcupine (Coendou prehensilis)" by Cliff1066™ via Flickr, Creative Commons Attribution. | Old World porcupine (Hystricidae) "Porcupine @ Africa Alive, Suffolk" by Timparkinson via Flickr, Creative Commons Attribution. |