thecodontadj.n.
/ˈθiːkədɒnt/ Zoology.
A. adj.
Of or belonging to the Thecodontes, an extinct order of primitive reptiles having the teeth fixed in sockets in the jawbone.
ΘΚΠ
the world > animals > reptiles > extinct reptiles and dinosaurs > [adjective] > of order Sauria > belonging to Thecodontia
thecodont1840
thecodontosaurian1869
thecodontian1974
1840 R. Owen Odontogr. ii. iv. §110. 266 A third mode of fixation is presented by some extinct Saurians,..the teeth being implanted in sockets..: these may be termed the ‘thecodont’ Lacertians: the most ancient of all Saurians belong to this group.
1876 D. Page Adv. Text-bk. Geol. (ed. 6) xv. 282 The thecodont saurians seem peculiar to the Permian.
1877 J. Le Conte Elements Geol. (1879) iii. 404 In the coal, are also found now some Thecodont (socket-toothed) reptiles, allied to Crocodilians.
1933 A. S. Romer Vertebr. Paleontol. viii. 170 An overgrown offshoot from the early thecodont stock was..a large South African Lower Triassic form.
B. n.
A reptile having this character.
ΘΚΠ
the world > animals > reptiles > extinct reptiles and dinosaurs > [noun] > Sauria > member of order Thecodontia
thecodont1840
thecodontosaurian1869
thecodontian1974
1840 R. Owen Odontogr. ii. iv. §110. 266 (heading) Thecodonts.
1933 A. S. Romer Vertebr. Paleontol. viii. 170 Confined exclusively to the Triassic, the history of the thecodonts was a brief one.
1980 N. Orriss tr. Babin Elem. Palaeontol. xviii. 327 In the classical conception, birds originated directly from the Triassic thecodonts.
Derivatives
ˌthecodontoˈsaurian adj. and n. (a) adj. belonging to or characteristic of the thecodont reptiles; (b) n. a member of this genus.
ΘΚΠ
the world > animals > reptiles > extinct reptiles and dinosaurs > [noun] > Sauria > member of order Thecodontia
thecodont1840
thecodontosaurian1869
thecodontian1974
the world > animals > reptiles > extinct reptiles and dinosaurs > [adjective] > of order Sauria > belonging to Thecodontia
thecodont1840
thecodontosaurian1869
thecodontian1974
1840 R. Owen Odontogr. ii. iv. §112. 267 In the same formation as contained the jaw and teeth of the Thecodontosaurus.]
1869 Huxley in Q. Jrnl. Geol. Soc. 26 44 The Thecodontosaurian ilium.
1869 Huxley in Q. Jrnl. Geol. Soc. 26 44 I shall speak of the bones as those of Thecodontosaurians.
This entry has not yet been fully updated (first published 1912; most recently modified version published online June 2021).
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adj.n.1840