| Comparison between synapsid and diapsid skulls |
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| Client: |
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The Teaching Company.
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| Copyright: |
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© 2013 by Karen Carr and Karen Carr Studio, Inc.
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| Pictured: |
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Comparison between synapsid and diapsid skulls
See more images of Dinosaurs and ancient life
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| Geologic age: |
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Triassic
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Description: |
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Synapsids are a class of animals that includes mammals and everything more closely related to mammals than to reptiles and birds. They have single skull opening (called the temporal fenestra) behind each eye.
Diapsids are a group of reptiles that developed two holes on each side of their skulls. Living diapsids include crocodiles, lizards, snakes and the tuatara.
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Did you know? |
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Synapsids were the dominant terrestrial animals in the middle to late Permian period. There are at least 7,925 species of diapsid reptiles in the world today (and more than 14,600 when birds are included).
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The descriptions and other text on these pages represent the Artist's best understanding of the animals, scenes, people or events shown. Any errors in the text are the fault of the Artist (and her webmaster) and are not a reflection on our clients.