Synapsida

Synapsida Tydperk: Pennsylvanium – Holoseen 308–0 m. jaar gelede PreЄ Є O S D C P T J K Pg N
’n Skelet van Dimetrodon grandis in die Nasionale Natuurgeskiedenismuseum in Washington, D.C..
Wetenskaplike klassifikasie
Koninkryk:	Animalia
Filum:	Chordata
Subfilum:	Vertebrata
Superklas:	Tetrapoda
(geen rang):	Amniota
Klas:	Synapsida (Osborn, 1903)
Subgroepe
†Caseasauria †Caseidae †Eothyrididae †?Phreatophasma Eupelycosauria †Edaphosauridae †Ophiacodontidae †Varanopidae Sphenacodontia Echinerpeton Protoclepsydrops?
Sinonieme
Theropsida Seeley, 1895[1]

Synapsida (Grieks vir "gesmelte boog"), ook die sinapsides genoem, is ’n groep diere wat soogdiere insluit, asook elke dier wat nader aan soogdiere verwant is as aan ander lewende amniote.^[2]

1. ↑ Seeley, Harry Govier (1895). "Researches on the Structure, Organisation, and Classification of the Fossil Reptilia. Part X. On the Complete Skeleton of an Anomodont Reptile (Aristodesmus rutimeyeri, Wiedersheim), from the Bunter Sandstone of Reihen, near Basel, Giving New Evidence of the Relation of the Anomodontia to the Monotremata". Proceedings of the Royal Society of London. 59: 167–169. doi:10.1098/rspl.1895.0070.
2. ↑ Laurin, Michel, en Robert R. Reisz (2007). Synapsida: Mammals and their extinct relatives Geargiveer 11 Desember 2008 op Wayback Machine. 6 April 2007. The Tree of Life Web Project.