Dental morphology of the Lesser Bamboo Rat, Cannomys Badius (Rodentia, Spalacidae)

Raquel López-Antoñanzas*

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

5 Citations (Scopus)


Cannomys and Rhizomys are the sole living genera of the tribe Rhizomyini (Rhizomyinae, Spalacidae, Rodentia), known in the fossil record since the Late Miocene. The dental morphology of fossil Rhizomyini has been described in detail but until recently such descriptions were unavailable for extant species. A detailed account of the morphology and dental wear pattern of the cheek teeth of C. badius is provided here based on the examination of museum specimens. Three stages of wear are recognized. Cannomys shares with Rhizomys the synapomorphy of having a mesolophid that is a long continuation of the protoconid on the first lower molar. There are significant differences between these taxa, such as the much smaller size of the cheek teeth and the trilophodont dental pattern of the M2, M3, and m2 in Cannomys.

Original languageEnglish
Pages (from-to)69-75
Number of pages7
Publication statusPublished - 1 Dec 2012


  • Cannomys
  • Dental wear pattern
  • Rhizomyinae
  • Rhizomyini


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