synapsid reptile

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Definitions from WordNet

Noun synapsid reptile has 1 sense

synapsid, synapsid reptile - extinct reptile having a single pair of lateral temporal openings in the skull
--₁ is a kind of reptile, reptilian
--₁ has particulars:
therapsid, protomammal; ictodosaur; pelycosaur; edaphosaurus; dimetrodon

Definitions from the Web

Synapsid Reptile

Description:

A synapsid reptile, also known as a mammal-like reptile, is an extinct group of reptiles that existed during the Permian and Triassic periods. They are characterized by having a single temporal opening on each side of the skull, which is a trait shared with modern mammals.

Senses and Usages:

Sense 1:

Noun - Paleontology

Referring to any of the reptiles that belonged to the synapsid group.

Example Sentence: The synapsid reptiles were crucial in the evolution of mammals and played a significant role in shaping the natural history of our planet.

Sense 2:

Adjective - Biology

Relating to the characteristics or features of synapsid reptiles.

Example Sentence: The development of a diaphragm is a distinctive feature seen in synapsid reptiles, but not in other reptilian groups.

Sense 3:

Adjective - Zoology

Referring to specific reptiles that exhibit synapsid traits.

Example Sentence: The therocephalians and cynodonts are prominent examples of synapsid reptile species in the fossil record.