| 释义 |
therapsidenUK
the·rap·sid T0152700 (thə-răp′sĭd)n. Any of various amniote vertebrates that emerged in the Permian Period and diversified in the Triassic, including the mammals, their ancestors, and their relatives.
[From New Latin Thērapsida, order name : Greek thēr, wild animal; see theropod + Greek hapsis, hapsid-, arch, vault (from the enlarged lower temporal opening characteristic of the group); see apsis.]
the·rap′sid adj.therapsid (θəˈræpsɪd) n (Palaeontology) any extinct reptile of the order Therapsida, of Permian to Triassic times: considered to be the ancestors of mammals[C20: from New Latin Therapsida, from Greek thēr beast + Latin apsis arch]the•rap•sid (θəˈræp sɪd)
n. any of various mammallike reptiles of the extinct order Therapsida, inhabiting all continents from mid-Permian to late Triassic times. [< New Latin Therapsida (1905) = Greek thēr-, s. of thḗr wild beast + apsid-, s. of apsís arch, vault (referring to the temporal arch of the skull) + New Latin -a neuter pl. ending (see -a1)] Thesaurus| Noun | 1. | therapsid - probably warm-blooded; considered direct ancestor of mammalsprotomammalsynapsid, synapsid reptile - extinct reptile having a single pair of lateral temporal openings in the skullorder Therapsida, Therapsida - extinct mammal-like reptiles found inhabiting all continents from the mid Permian to late TriassicChronoperates paradoxus - shrew-sized protomammal from the Alberta region of Canada; from about 55 million years ago (much more recent than other mammal-like reptiles)cynodont - small carnivorous reptilesdicynodont - a kind of therapsid |
EncyclopediaSeeTherapsidatherapsidenUK
therapsid any extinct reptile of the order Therapsida, from which mammals are thought to have evolved.therapsidenUK
Related to therapsid: Pelycosauria, synapsid, EnterozoaSynonyms for therapsidnoun probably warm-bloodedSynonymsRelated Words- synapsid
- synapsid reptile
- order Therapsida
- Therapsida
- Chronoperates paradoxus
- cynodont
- dicynodont
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