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Definition of Synapsida
1. Noun. Extinct reptiles of the Permian to Jurassic considered ancestral to mammals.
Group relationships: Class Reptilia, Reptilia
Member holonyms: Order Therapsida, Therapsida, Ictodosauria, Order Ictodosauria, Order Pelycosauria, Pelycosauria
Generic synonyms: Class
Lexicographical Neighbors of Synapsida
Literary usage of Synapsida
Below you will find example usage of this term as found in modern and/or classical literature:
1. Contributions by Walker Museum of Paleontology, University of Chicago (1917)
"•jo CONTRIBUTIONS FROM WALKER MUSEUM by their direct descendants today; the birds,
crocodiles, and tuatara of the Diapsida; the mammals of the Synapsida; ..."
2. The American Naturalist by American Society of Naturalists, Essex Institute (1908)
"The grouping of the reptiles into two subclasses, the Diapsida and Synapsida.
based chiefly upon the temporal structure, is rejected by most students of the ..."
3. The Encyclopedia Americana: A Library of Universal Knowledge (1919)
"... of one or two openings (supra- and infra-temporal vacuities) it is divided
into one (Synapsida) or two (Diapsida) longitudinal bars behind the orbits. ..."
4. The Encyclopedia Americana: A Library of Universal Knowledge (1919)
"... 'Catalogue of the Reptiles in the British Museum' (London 1889-96) ; Osborn, 'The
Reptilian Subclasses Diapsida and Synapsida,' Memoirs American Museum ..."
5. International Catalogue of Scientific Literature by Royal Society (Great Britain) (1906)
"Philadelphia, Pa.. Pros. Amer. Phil. Soc., 43, 1904, (150-157). [0023 6031].
24550 Diapsida and Synapsida and the early history of the ..."
6. International Catalogue of Scientific Literature by Royal Society (Great Britain) (1905)
"185 - On the primary division «>f the Reptilia into two sub-classes, Synapsida
and Diapsida. Science, New York, NY, (N. Ser. ..."
7. Contributions by Walker Museum of Paleontology, University of Chicago (1917)
"•jo CONTRIBUTIONS FROM WALKER MUSEUM by their direct descendants today; the birds,
crocodiles, and tuatara of the Diapsida; the mammals of the Synapsida; ..."
8. The American Naturalist by American Society of Naturalists, Essex Institute (1908)
"The grouping of the reptiles into two subclasses, the Diapsida and Synapsida.
based chiefly upon the temporal structure, is rejected by most students of the ..."
9. The Encyclopedia Americana: A Library of Universal Knowledge (1919)
"... of one or two openings (supra- and infra-temporal vacuities) it is divided
into one (Synapsida) or two (Diapsida) longitudinal bars behind the orbits. ..."
10. The Encyclopedia Americana: A Library of Universal Knowledge (1919)
"... 'Catalogue of the Reptiles in the British Museum' (London 1889-96) ; Osborn, 'The
Reptilian Subclasses Diapsida and Synapsida,' Memoirs American Museum ..."
11. International Catalogue of Scientific Literature by Royal Society (Great Britain) (1906)
"Philadelphia, Pa.. Pros. Amer. Phil. Soc., 43, 1904, (150-157). [0023 6031].
24550 Diapsida and Synapsida and the early history of the ..."
12. International Catalogue of Scientific Literature by Royal Society (Great Britain) (1905)
"185 - On the primary division «>f the Reptilia into two sub-classes, Synapsida
and Diapsida. Science, New York, NY, (N. Ser. ..."
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