entocristid

English

Etymology

From ento- +‎ cristid.

Noun

entocristid (plural entocristids)

1. A cristid located on the lingual surface of a tooth.
   • 1988, Annalisa Berta, Quaternary evolution and biogeography of the large South American Canidae (Mammalia, Carnivora), page 48:

     A metastylid is present at the base of the metaconid, and an entocristid is in an intermediate position between the metastylid and the entoconulid.

   • 2013, John G. Fleagle, Alfred L. Rosenberger, The Platyrrhine Fossil Record, page 218:

     C₁ with enlarged concave mesiolingual fossa, no lingual entocristid but a distinct vertical torus; long precristid; horizontally disposed lingual cingulum with no basal bulge of enamel or distobasal notch; small distal surface for C¹ occlusion.

   • 2017, Lawrence J. Flynn, Wen-Yu Wu, Late Cenozoic Yushe Basin, Shanxi Province, China, page 13:

     At this state of wear, a small entocristid anterior to the entoconid is evident, and is apparently larger on m2.

Derived terms

• postentocristid
• preentocristid