| / English Dictionary |
SYNAPSID REPTILE
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Extinct reptile having a single pair of lateral temporal openings in the skull
Synonyms:
synapsid; synapsid reptile
Classified under:
Hypernyms ("synapsid reptile" is a kind of...):
reptile; reptilian (any cold-blooded vertebrate of the class Reptilia including tortoises, turtles, snakes, lizards, alligators, crocodiles, and extinct forms)
Hyponyms (each of the following is a kind of "synapsid reptile"):
protomammal; therapsid (probably warm-blooded; considered direct ancestor of mammals)
ictodosaur (intermediate in form between the therapsids and most primitive true mammals)
pelycosaur (large primitive reptile having a tall spinal sail; of the Permian or late Paleozoic in Europe and North America)
edaphosaurus (heavy-bodied reptile with a dorsal sail or crest; of the late Paleozoic)
dimetrodon (carnivorous dinosaur of the Permian in North America having a crest or dorsal sail)
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