英语词汇“synapsid”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

synapsid

/sʌɪˈnapsɪd

/ /sɪˈnapsɪd/

noun

A fossil reptile of a Permian and Triassic group, the members of which show increasingly mammalian characteristics and include the ancestors of mammals. Also called mammal-like reptile.

Subclass Synapsida; includes the pelycosaurs and the therapsids.

Indeed, most workers recognized a geographical and temporal gap between Permo-Carboniferous ‘pelycosaurs’ and therapsid synapsids....

The hypothesis that disparate groups of synapsids independently acquired mammallike characteristics has a long pedigree.
In the dry late Permian environment many types of synapsids and reptiles flourished.

Origin

Early 20th century: from modern Latin Synapsida, from Greek sun- 'together' + apsis, apsid- 'arch'.

单词	synapsid
释义	synapsid /sʌɪˈnapsɪd / /sɪˈnapsɪd/ noun A fossil reptile of a Permian and Triassic group, the members of which show increasingly mammalian characteristics and include the ancestors of mammals. Also called mammal-like reptile. Subclass Synapsida; includes the pelycosaurs and the therapsids. Indeed, most workers recognized a geographical and temporal gap between Permo-Carboniferous ‘pelycosaurs’ and therapsid synapsids.... The hypothesis that disparate groups of synapsids independently acquired mammallike characteristics has a long pedigree. In the dry late Permian environment many types of synapsids and reptiles flourished. Origin Early 20th century: from modern Latin Synapsida, from Greek sun- 'together' + apsis, apsid- 'arch'.
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