microsaurn.

Brit.

/ˈmʌɪkrəsɔː/, U.S.

/ˈmaɪkrəˌsɔr/

Origin: Formed within English, by compounding; modelled on a Latin lexical item. Etymons: micro- comb. form, -saur comb. form.

Etymology: < micro- comb. form + -saur comb. form, after scientific Latin Microsauria (see microsaurian adj. and n.). Compare earlier microsaurian n.

Palaeontology.

Any member of the order Microsauria, a group of extinct small amphibians of the late Palaeozoic era.

ΚΠ

1909 Jrnl. Geol. (Chicago) 17 390 The predominant type of the Pennsylvanian were what we usually call the branchiosaurs and microsaurs.

1916 R. L. Moodie Coal Measures Amphibia i. 5 The Aistopoda are without doubt specialized microsaurs.

1948 Amer. Jrnl. Sci. 246 567 Whether the microsaurs possessed amniote embryonic development must, of course, remain unknown.

1968 Nature 26 Oct. 331/1 The reptiles and microsaurs of the Carboniferous are similar in size and in many details of structure.

1988 Nature 23 June 770/2 Many of the ribs have large uncinate processes, contradicting the suggestion that this is a shared derived character of ichthyostegalians, temnospondyls and microsaurs.

1994 Nature 7 Apr. 513/1 Viséan and early Namurian faunas are proving to be more advanced than previously realized, with temnospondyls, anthracosaurs, aïstopods, microsaurs and possible amniotes, and thus resembling later Carboniferous faunas.

This is a new entry (OED Third Edition, December 2001; most recently modified version published online March 2022).

单词	microsaur
释义	microsaurn. Brit. /ˈmʌɪkrəsɔː/, U.S. /ˈmaɪkrəˌsɔr/ Origin: Formed within English, by compounding; modelled on a Latin lexical item. Etymons: micro- comb. form, -saur comb. form. Etymology: < micro- comb. form + -saur comb. form, after scientific Latin Microsauria (see microsaurian adj. and n.). Compare earlier microsaurian n. Palaeontology. Any member of the order Microsauria, a group of extinct small amphibians of the late Palaeozoic era. ΚΠ 1909 Jrnl. Geol. (Chicago) 17 390 The predominant type of the Pennsylvanian were what we usually call the branchiosaurs and microsaurs. 1916 R. L. Moodie Coal Measures Amphibia i. 5 The Aistopoda are without doubt specialized microsaurs. 1948 Amer. Jrnl. Sci. 246 567 Whether the microsaurs possessed amniote embryonic development must, of course, remain unknown. 1968 Nature 26 Oct. 331/1 The reptiles and microsaurs of the Carboniferous are similar in size and in many details of structure. 1988 Nature 23 June 770/2 Many of the ribs have large uncinate processes, contradicting the suggestion that this is a shared derived character of ichthyostegalians, temnospondyls and microsaurs. 1994 Nature 7 Apr. 513/1 Viséan and early Namurian faunas are proving to be more advanced than previously realized, with temnospondyls, anthracosaurs, aïstopods, microsaurs and possible amniotes, and thus resembling later Carboniferous faunas. This is a new entry (OED Third Edition, December 2001; most recently modified version published online March 2022). < n.1909
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