| NOUN | animal | ictodosaur | intermediate in form between the therapsids and most primitive true mammals |
|---|
| Meaning | Intermediate in form between the therapsids and most primitive true mammals. | |
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| Member of | Ictodosauria, order Ictodosauria | Extinct reptiles of the later Triassic period |
| Broader | synapsid, synapsid reptile | Extinct reptile having a single pair of lateral temporal openings in the skull |
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