Ancient Greek σῖγμα (sīgma) + ὀδών (odōn, “tooth”). So called from the form of the ridges of enamel on the crowns of the worn molars.
"sigmodont." YourDictionary, n.d. Web. 17 September 2018. <http://www.yourdictionary.com/sigmodont>.
sigmodont. (n.d.). Retrieved September 17th, 2018, from http://www.yourdictionary.com/sigmodont
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