heterodont

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heterodont

[′hed·ə·rə‚dänt]
(anatomy)
Having teeth that are variable in shape and differentiated into incisors, canines, and molars.
(invertebrate zoology)
In bivalves, having two types of teeth on one valve which fit into depressions on the other valve.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
However, the variability in the crown structure (number of cusps and angles between the lateral cusps), as well as some variability in the base (position of the basal canal and possibly base curvature), suggest that Karksiodus dentition displayed weakly developed heterodonty in which the bicuspid, tricuspid and multicuspid teeth were located in different positions on the jaws.
In addition to monognathic and dignathic heterodonty, Port Jackson sharks exhibit ontogenetic heterodonty.
Fragmentary preservation and heterodonty makes identification difficult, but the rich diversity and ecological significance of chondrichthyan fossils makes their study worthy of a greater effort.