'''Massospondylidae''' is a [[dinosaur]] family of the [[Infraorder]] [[Prosauropoda]]. The Massospondylidae were part of the [[suborder]] [[Sauropodomorpha]], which were long-necked, herbivorous dinosaurs. Massospondylidae may include ''[[Coloradisaurus]]'', ''[[Glacialisaurus]]'', ''[[Lufengosaurus]]'', ''[[Massospondylus]]'', ''[[Yunnanosaurus]]'', and ''[[Jingshanosaurus]]''; recent [[phylogeny|phylogenetic]] analyses have found a core of ''Coloradisaurus'', ''Lufengosaurus'' and ''Massospondylus'',<ref name="Yates">{{Citation| first =Adam M.| last =Yates| author-link =| editor-last =Barrett| editor-first =Paul M.| editor2-last =Batten| editor2-first =David J.| contribution =The first complete skull of the Triassic dinosaur ''Melanorosaurus'' Haughton (Sauropodomorpha: Anchisauria)| contribution-url =| title =Special Papers in Palaeontology| volume = 77| year =2007| pages =9–55| place =| publisher =| url =| doi =| id =| isbn = 9781405169332}}</ref> potentially with recently described ''Glacialisaurus''.<ref name=SP07>{{cite journal |last=Smith |first=Nathan D. |coauthors=and Pol, Diego |year=2007 |title=Anatomy of a basal sauropodomorph dinosaur from the Early Jurassic Hanson Formation of Antarctica |journal=Acta Palaeontologica Polonica |volume=52 |issue=4 |pages=657–674 |url=http://www.app.pan.pl/acta52/app52-657.pdf |format=pdf }}</ref>