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Definition of Subclass synapsida
1. Noun. Extinct reptiles of the Permian to Jurassic considered ancestral to mammals.
Exact synonyms: Synapsida
Group relationships: Class Reptilia, Reptilia
Member holonyms: Order Therapsida, Therapsida, Ictodosauria, Order Ictodosauria, Order Pelycosauria, Pelycosauria
Generic synonyms: Class
Group relationships: Class Reptilia, Reptilia
Member holonyms: Order Therapsida, Therapsida, Ictodosauria, Order Ictodosauria, Order Pelycosauria, Pelycosauria
Generic synonyms: Class
Lexicographical Neighbors of Subclass Synapsida
| subclause |
Literary usage of Subclass synapsida
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Encyclopaedia Britannica: “a” Dictionary of Arts, Sciences, Literature edited by Hugh Chisholm (1911)
"... in 1003 * therefore proposed the following classification:— Subclass SYNAPSIDA.
Primarily with single or undivided temporal arches. ..."
2. The Encyclopedia Britannica: A Dictionary of Arts, Sciences, Literature and by Hugh Chisholm (1911)
"Subclass SYNAPSIDA. Primarily with single or undivided temporal arches. Giving rise
to the mammals through some unknown member of the ..."
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