Definition of Synapsid. Meaning of Synapsid. Synonyms of Synapsid

- the other being the Sauropsida (which includes reptiles and birds). The synapsids were the dominant land animals in the late Paleozoic and early Mesozoic...
- These lists of synapsids collectively include every genus that has ever been included in the clade Synapsida- the mammals and their evolutionary precursors...
- Sphenacodontia is a stem-based clade of derived synapsids. It was defined by Amson and Laurin (2011) as "the largest clade that includes Haptodus baylei...
- representatives. Although early synapsids have historically been referred to as "mammal-like reptiles", all synapsids are more closely related to mammals...
- PEL-ih-kə-sor) is an older term for basal or primitive Late Paleozoic synapsids, excluding the therapsids and their descendants. Previously, the term...
- /daɪˈmɛtrəˌdɒn/; lit. 'two measures of teeth') is an extinct genus of non-mammalian synapsid belonging to the family Sphenacodontidae that lived during the Cisuralian...
- aphanosaur), and Nyasasaurus (a possible early dinosaur).[citation needed] Synapsids are a clade that includes mammals and their extinct ancestors. The latter...
- fossil "antediluvian monsters", including dinosaurs and the mammal-like (synapsid) Dicynodon he helped describe. This was not the only possible classification...
- hence the name. Typically, they are considered synapsids that evolved from an Archaeothyris-like synapsid in the Late Carboniferous. Although some studies...
- These extended margins of thinned bone are called supratemporal fossae. Synapsids, including mammals, have one temporal fenestra, which is ventrally bordered...