Det finnes piggete pattedyr i forskjellige ordener og familier. Her er en oversikt over dem.
Hulepinnsvin (Hystricidae) "Porcupine @ Africa Alive, Suffolk" by Timparkinson via Flickr, Creative Commons Attribution. | Maurpinnsvin (Tachyglossidae) "Tachyglossus aculeatus" by Dhobern via Flickr, Creative Commons Attribution. |
Pinnsvin (Erinaceomorpha) "Siil I" by Tauno Erik via Flickr, Creative Commons Attribution ShareAlike. | Trepinnsvin (Erethizontidae) "Prehensile-tailed Porcupine (Coendou prehensilis)" by Cliff1066™ via Flickr, Creative Commons Attribution. |