cryptodiranadj.n.

Brit.

/ˌkrɪptə(ʊ)ˈdʌɪrən/, U.S.

/ˌkrɪptəˈdaɪrən/

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Cryptodira , -an suffix.

Etymology: < scientific Latin Cryptodira, suborder name (E. D. Cope 1867 or earlier; alteration of Cryptodera ( Pop. Hist. Reptiles (1843) 57) < French Cryptodères , subfamily name ( A. M. C. Duméril & G. Bibron Erpétologie gén. (1834) I. 354) < crypto- crypto- comb. form + ancient Greek δειρή (Attic δέρη ) neck: see derotremate adj.) + -an suffix. Compare earlier cryptodire adj., cryptodire adj.

Zoology and Palaeontology.

A. adj.

Of, relating to, or characteristic of the chelonian suborder Cryptodira (which includes most kinds of turtle, tortoise, and terrapin), characterized by retraction of the head directly backwards into the shell by a vertical flexure of the neck; = cryptodire adj. Cf. pleurodiran adj.

ΚΠ

1887 Geol. Mag. 4 419 The arrangement of the posterior dorsals and sacrals is entirely Cryptodiran and not Pleurodiran.

1965 Copeia No. 4. 538/2 Relationships of the cryptodiran turtle families as based on penial morphology.

1997 Systematic Biol. 46 235 These unresolved nodes may represent a rapid radiation of the major cryptodiran lineages 90–120 million years ago.

B. n.

= cryptodire n. Cf. pleurodiran n.

ΚΠ

1887 Geol. Mag. 4 274 The number of plastral shields of Tretosternum, viz. 11, is that of a Cryptodiran, not of a Pleurodiran.

1892 R. Lydekker Phases Animal Life vii. 111 The soft tortoises form a third group, allied to the Cryptodirans in the mode of retraction of the head.

2000 Geol. Mag. 137 281/1 Both marine-littoral pleurodirans (Bothremydidae) and marine cryptodirans (Chelonioidea) are represented.

This is a new entry (OED Third Edition, June 2011; most recently modified version published online March 2022).

单词	cryptodiran
释义	cryptodiranadj.n. Brit. /ˌkrɪptə(ʊ)ˈdʌɪrən/, U.S. /ˌkrɪptəˈdaɪrən/ Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Cryptodira , -an suffix. Etymology: < scientific Latin Cryptodira, suborder name (E. D. Cope 1867 or earlier; alteration of Cryptodera ( Pop. Hist. Reptiles (1843) 57) < French Cryptodères , subfamily name ( A. M. C. Duméril & G. Bibron Erpétologie gén. (1834) I. 354) < crypto- crypto- comb. form + ancient Greek δειρή (Attic δέρη ) neck: see derotremate adj.) + -an suffix. Compare earlier cryptodire adj., cryptodire adj. Zoology and Palaeontology. A. adj. Of, relating to, or characteristic of the chelonian suborder Cryptodira (which includes most kinds of turtle, tortoise, and terrapin), characterized by retraction of the head directly backwards into the shell by a vertical flexure of the neck; = cryptodire adj. Cf. pleurodiran adj. ΚΠ 1887 Geol. Mag. 4 419 The arrangement of the posterior dorsals and sacrals is entirely Cryptodiran and not Pleurodiran. 1965 Copeia No. 4. 538/2 Relationships of the cryptodiran turtle families as based on penial morphology. 1997 Systematic Biol. 46 235 These unresolved nodes may represent a rapid radiation of the major cryptodiran lineages 90–120 million years ago. B. n. = cryptodire n. Cf. pleurodiran n. ΚΠ 1887 Geol. Mag. 4 274 The number of plastral shields of Tretosternum, viz. 11, is that of a Cryptodiran, not of a Pleurodiran. 1892 R. Lydekker Phases Animal Life vii. 111 The soft tortoises form a third group, allied to the Cryptodirans in the mode of retraction of the head. 2000 Geol. Mag. 137 281/1 Both marine-littoral pleurodirans (Bothremydidae) and marine cryptodirans (Chelonioidea) are represented. This is a new entry (OED Third Edition, June 2011; most recently modified version published online March 2022). < adj.n.1887
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