anapsidadj.n.

/æˈnæpsɪd/

Etymology: < modern Latin Anapsida (S. W. Williston 1917, in Jrnl. Geol. XXV. 419), < an- prefix² + Greek ἁψίς , ἁψιδ- arch: see -id suffix³.

Zool.

A. adj.

Of or pertaining to the reptilian subclass Anapsida, which comprises turtles, tortoises, and extinct groups all characterized by a skull with no temporal openings; having or being such a skull.

ΘΚΠ

the world > animals > reptiles > [adjective] > of or relating to Anapsida

anapsid1933

1933 A. S. Romer Vertebr. Paleontol. vi. 128 Truly primitive forms must have possessed a completely roofed skull like that of their amphibian ancestors, and for this condition the term ‘anapsid’ was coined.

1969 A. Bellairs Life of Reptiles I. ii. 25 (caption) Cross-section through reptilian skull behind orbits showing anapsid condition.

1982 I. F. Spellerberg Biol. Reptiles i. 7 (caption) Examples of extinct anapsid reptiles.

B. n.

A reptile of the subclass Anapsida. Cf. diapsid adj., synapsid adj. and n.

ΘΚΠ

the world > animals > reptiles > [noun] > subclass Anapsida > member of

anapsid1956

1956 A. S. Romer Osteol. Reptiles ii. 473 The Chelonia are considered as true anapsids.

1971 E. C. Olson Vertebr. Paleozool. iii. viii. 305 This classification associated many reptiles that are now placed in separate categories and did not entirely follow its own criteria (e.g., placing anapsids as synapsids).

This entry has not yet been fully updated (first published 1989; most recently modified version published online November 2010).

单词	anapsid
释义	anapsidadj.n. /æˈnæpsɪd/ Etymology: < modern Latin Anapsida (S. W. Williston 1917, in Jrnl. Geol. XXV. 419), < an- prefix² + Greek ἁψίς , ἁψιδ- arch: see -id suffix³. Zool. A. adj. Of or pertaining to the reptilian subclass Anapsida, which comprises turtles, tortoises, and extinct groups all characterized by a skull with no temporal openings; having or being such a skull. ΘΚΠ the world > animals > reptiles > [adjective] > of or relating to Anapsida anapsid1933 1933 A. S. Romer Vertebr. Paleontol. vi. 128 Truly primitive forms must have possessed a completely roofed skull like that of their amphibian ancestors, and for this condition the term ‘anapsid’ was coined. 1969 A. Bellairs Life of Reptiles I. ii. 25 (caption) Cross-section through reptilian skull behind orbits showing anapsid condition. 1982 I. F. Spellerberg Biol. Reptiles i. 7 (caption) Examples of extinct anapsid reptiles. B. n. A reptile of the subclass Anapsida. Cf. diapsid adj., synapsid adj. and n. ΘΚΠ the world > animals > reptiles > [noun] > subclass Anapsida > member of anapsid1956 1956 A. S. Romer Osteol. Reptiles ii. 473 The Chelonia are considered as true anapsids. 1971 E. C. Olson Vertebr. Paleozool. iii. viii. 305 This classification associated many reptiles that are now placed in separate categories and did not entirely follow its own criteria (e.g., placing anapsids as synapsids). This entry has not yet been fully updated (first published 1989; most recently modified version published online November 2010). < adj.n.1933
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