titanotheren.
/tʌɪˈtanə(ʊ)ˌθɪə/, /ˌtʌɪtənəˈθɪə/, U.S. /taɪˈtænəˌθɪr/, /ˌtaɪtn̩əˈθɪr/ Palaeontology.
Any of the very large extinct ungulates constituting the family Brontotheriidae from the Eocene of North America, resembling gigantic rhinoceroses with two bony horns side by side on the snout; = brontothere n. Cf. Titanotherium n.
ΘΚΠ
the world > animals > mammals > group Ungulata (hoofed) > [noun] > extinct types of (miscellaneous)
coryphodon1846
titanothere1863
Dinoceras1872
brontothere1877
coryphodont1880
titanotheroid1890
litoptern1927
titanotherian1927
1863 J. D. Dana Man. Geol. 515 The Titanothere..having some relations to the modern Tapir.
1895 Trans. Amer. Philos. Soc. 18 114 The external cusps..are more decidedly concave.., and their apices project inward in a way that recalls the molars of the titanotheres.
1932 Amer. Naturalist 66 59 The biomechanism of the titanothere and of the elephant is due to a complex of energetic factors which is entirely beyond our present comprehension.
1973 Systematic Zool. 22 472/1 Mammals..could range from the size of a shrew to that of a titanothere or elephant.
2006 K. D. Rose Beginning Age Mammals xiii. 250/1 Brontotheres (family Brontotheriidae), also known as titanotheres, include some of the largest Tertiary land mammals.
This entry has been updated (OED Third Edition, January 2018; most recently modified version published online March 2022).
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n.1863