heterodontosauridn.adj.

Brit.

/hɛt(ə)rəˌdɒntə(ʊ)ˈsɔːrɪd/, U.S.

/hɛdərəˌdɑn(t)əˈsɔrəd/,

/hɛtrəˌdɑn(t)əˈsɔrəd/

Origin: A borrowing from Latin, combined with an English element; modelled on a Latin lexical item. Etymons: Latin Heterodontosaurus , -id suffix³.

Etymology: < scientific Latin Heterodontosaurus, genus name (A. W. Compton & A. J. Charig 1962, in Nature 15 Dec. 1075/1; < hetero- hetero- comb. form + -odont -odont comb. form + -o -o- connective + -saurus -saurus comb. form) + -id suffix³, after Heterodontosauridae, family name ( A. S. Romer Vertebr. Paleontol. (ed. 3, 1966) 370/1).

Palaeontology.

A. n.

Any of several primitive ornithischian dinosaurs constituting the family Heterodontosauridae, which were small and lightly built and had canine-like tusks as well as cheek teeth for chewing.Their remains date from the late Triassic to the early Cretaceous.

ΚΠ

1969 R. Steel in O. Kuhn Handbuch der Paläoherpetologie XV. 7/2 The nature of the cheek dentition leaves little doubt that the heterodontosaurids were herbivores.

1985 D. Norman Illustr. Encycl. Dinosaurs 102/2 In addition to Heterodontosaurus, there are several other heterodontosaurids.

2009 Nature 19 Mar. 293/2 Its genealogical ties are to a group of herbivorous dinosaurs, called heterodontosaurids, that had undergone their evolutionary radiation 70 million years earlier.

B. adj.

Designating dinosaurs of the family Heterodontosauridae; of or relating to such a dinosaur.

ΚΠ

1974 Nature 30 Aug. 730/2 Few herbivorous dinosaurs used the teeth as sabre-like slashing weapons.., but this is almost certainly the function of the caniniform tusks in heterodontosaurid ornithopods.

1990 D. B. Weishampel & L. M. Witmer in D. B. Weishampel et al. Dinosauria xxiii. 495/1 Heterodontosaurid monophyly can be further characterized by the presence of a caniniform tooth in both the maxilla and the dentary.

2000 Nature 27 Apr. 953/3 The presence of camptosaurid (Camptosaurus ) and heterodontosaurid (Echinodon ) ornithopods..indicates faunal similarities to the Late Jurassic Morrison Formation.

This is a new entry (OED Third Edition, June 2014; most recently modified version published online March 2022).

单词	heterodontosaurid
释义	heterodontosauridn.adj. Brit. /hɛt(ə)rəˌdɒntə(ʊ)ˈsɔːrɪd/, U.S. /hɛdərəˌdɑn(t)əˈsɔrəd/, /hɛtrəˌdɑn(t)əˈsɔrəd/ Origin: A borrowing from Latin, combined with an English element; modelled on a Latin lexical item. Etymons: Latin Heterodontosaurus , -id suffix³. Etymology: < scientific Latin Heterodontosaurus, genus name (A. W. Compton & A. J. Charig 1962, in Nature 15 Dec. 1075/1; < hetero- hetero- comb. form + -odont -odont comb. form + -o -o- connective + -saurus -saurus comb. form) + -id suffix³, after Heterodontosauridae, family name ( A. S. Romer Vertebr. Paleontol. (ed. 3, 1966) 370/1). Palaeontology. A. n. Any of several primitive ornithischian dinosaurs constituting the family Heterodontosauridae, which were small and lightly built and had canine-like tusks as well as cheek teeth for chewing.Their remains date from the late Triassic to the early Cretaceous. ΚΠ 1969 R. Steel in O. Kuhn Handbuch der Paläoherpetologie XV. 7/2 The nature of the cheek dentition leaves little doubt that the heterodontosaurids were herbivores. 1985 D. Norman Illustr. Encycl. Dinosaurs 102/2 In addition to Heterodontosaurus, there are several other heterodontosaurids. 2009 Nature 19 Mar. 293/2 Its genealogical ties are to a group of herbivorous dinosaurs, called heterodontosaurids, that had undergone their evolutionary radiation 70 million years earlier. B. adj. Designating dinosaurs of the family Heterodontosauridae; of or relating to such a dinosaur. ΚΠ 1974 Nature 30 Aug. 730/2 Few herbivorous dinosaurs used the teeth as sabre-like slashing weapons.., but this is almost certainly the function of the caniniform tusks in heterodontosaurid ornithopods. 1990 D. B. Weishampel & L. M. Witmer in D. B. Weishampel et al. Dinosauria xxiii. 495/1 Heterodontosaurid monophyly can be further characterized by the presence of a caniniform tooth in both the maxilla and the dentary. 2000 Nature 27 Apr. 953/3 The presence of camptosaurid (Camptosaurus ) and heterodontosaurid (Echinodon ) ornithopods..indicates faunal similarities to the Late Jurassic Morrison Formation. This is a new entry (OED Third Edition, June 2014; most recently modified version published online March 2022). < n.adj.1969
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