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单词 mylodontid
释义

mylodontidadj.n.

Brit. /mʌɪləˈdɒntɪd/, U.S. /ˌmaɪləˈdɑntɪd/
Origin: A borrowing from Latin. Etymon: Latin Mylodontidae.
Etymology: < scientific Latin Mylodontidae, family name (F. Ameghino in Contribución al conocimento de los mamiferos fosiles de la Républica Argentina (1889) I. 665; compare earlier Mylodontinae (T. Gill 1872, in Smithsonian Misc. Coll. 11 § i. 24)) < Mylodont- (see mylodont n. and adj.) + -idae (see -id suffix3).
Palaeontology.
A. adj.
Belonging to or characteristic of the family Mylodontidae of ground sloths.
ΚΠ
1968 Q. Rev. Biol. 43 424/1 We believe Octodontotherium to be a mylodontid sloth.
1997 Jrnl. Vertebr. Paleontol. 17 413 Less well documented are occurrences of megatheriid and mylodontid ground sloths and glyptodonts.
B. n.
A ground sloth of the family Mylodontidae.
ΚΠ
1978 Ann. Rev. Ecol. & Systematics 9 398 Among ground sloths,..mylodontids are relatively rare [in the early Miocene of Patagonia], indicating more browsing than grazing opportunities for gravigrades.
1979 Science 277/3 The mylodontids seem to disappear [from North America] during the Late Hemphillian and reappear..in the Late Blancan as a later immigrant from South America.
1994 Times 22 Feb. 16 The mylodontid, approximately the size of a small gorilla, once roamed South America in large numbers.
This is a new entry (OED Third Edition, June 2003; most recently modified version published online March 2022).
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adj.n.1968
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