title: Paleontology. Unhatched eggs help dinos get a head.
authors.forename: E
authors.initials: E
authors.lastname: Stokstad
mesh_terms: D000818:Animals; D001118:Argentina; D005075:Biological Evolution; D004625:Embryo, Nonmammalian / Q000033:anatomy & histology; D005580:Fossils; D012104:Reptiles / Q000196:embryology*; D012886:Skull / Q000196:embryology*