entocristid

plural entocristids

1. A cristid located on the lingual surface of a tooth.

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

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

   2 more examples

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

   1988, Annalisa Berta, Quaternary evolution and biogeography of the large South American Canidae (Mammalia, Carnivora), page 48

   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.

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