jump to corresponding sense entry
noun
Extinct reptiles of the Permian to Jurassic considered ancestral to mammals.
synonym: Synapsida.
is a specific kind of: class.
has as a member: order Therapsida, Therapsida | Ictodosauria, order Ictodosauria | order Pelycosauria, Pelycosauria.
is a member of: class Reptilia, Reptilia.
Polish: synapsydy
Find more on subclass synapsida elsewhere: etymology - rhymes - Wikipedia.
debug info: 0.0143