titanotheroidn.adj.
/tʌɪˌtanə(ʊ)ˈθɪərɔɪd/, /ˌtʌɪtənəˈθɪərɔɪd/, U.S. /taɪˌtænəˈθɪrɔɪd/, /ˌtaɪtn̩əˈθɪrɔɪd/ Palaeontology. Now rare.
A. n.
An extinct ungulate of the family Brontotheriidae; a titanothere.
ΘΚΠ
the world > animals > mammals > group Ungulata (hoofed) > [noun] > extinct types of (miscellaneous)
coryphodon1846
titanothere1863
Dinoceras1872
brontothere1877
coryphodont1880
titanotheroid1890
litoptern1927
titanotherian1927
1890 Nature 13 Feb. 347/1 These Titanotherioids appear to have been most nearly allied to the Rhinoceroses among existing forms.
1912 Science 5 Apr. 546/1 (heading) Note on the upper Eocene titanotheroid Telmatherium (?) incisivum Douglass from the Uinta basin.
1943 R. C. Andrews Under Lucky Star xx. 199 We had found wonderfully preserved Cretaceous mosquitoes, butterflies, and fish, unknown reptiles, titanotheroids, and other mammals.
B. adj.
Of, relating to, or resembling titanotheres.
ΘΚΠ
the world > animals > mammals > group Ungulata (hoofed) > [adjective] > of or like extinct or fossil types
titanotherian1863
titanotheroid1907
litopternine1925
1907 H. F. Osborn & W. K. Gregory Evol. Mammalian Teeth 226 (caption) View of..cheek teeth of the Zalambdodont Insectivore Centetea (No. 1), the Marsupial Didelphys (No. 2),..and the Titanotheroid Ungulate Telmatherium (No. 4).
1914 Ann. Carnegie Mus. 9 ii. 46 The phalanges are short, broad, and in every respect titanotheroid.
1931 Jrnl. Mammalogy 12 8 Titanotheroid group:..Brontotherium platyceras; Family Brontotheriidae; Graviportal; Lower Oligocene.
This entry has been updated (OED Third Edition, January 2018; most recently modified version published online March 2022).
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n.adj.1890