talonidn.
/ˈtalənɪd/ Zoology.
A flattened cusp on a mammalian lower molar tooth, corresponding to the talon on an upper molar.
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heel1833
metacone1888
metaconid1888
metaconule1888
paracone1888
paraconid1888
protocone1888
protoconid1888
protoconule1888
mesostyle1892
talonid1897
1897 H. F. Osborn in Amer. Naturalist 31 1002 It [sc. the talon] invariably appeared first in the lower molars (where we may distinguish it as the ‘talonid’).
1919 J. H. Mummery Microsc. Anat. Teeth i. 36 In man the trigonid is represented by the protoconid and metaconid only,..and the five cusps are made up of these and three cusps of the talonid—the hypoconid, entoconid, and hypoconulid.
1922 W. K. Gregory Origin & Evol. Human Dentition i. 38 The premolars..already possessed incipient talonid spurs.
1922 W. K. Gregory Origin & Evol. Human Dentition i. 39 The talonids had not yet acquired basins or fossæ.
1968 R. Zangerl tr. B. Peyer Compar. Odontol. 187 In the lower jaw three cusps developed on the talonid: counting labio-lingually, hypoconid, hypoconulid, and entoconid.
1979 Nature 20 Sept. 213/2 The isolated lower second molar of the right side..has the basic tribosphenic pattern with an elevated trigonid and a low talonid.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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n.1897