title: Developmental biology: A larval revelation.
authors.forename: Thurston
authors.initials: T
authors.lastname: Lacalli
mesh_terms: D000818:Animals; D005075:Biological Evolution; D004447:Echinodermata / Q000033:anatomy & histology / Q000254:growth & development*; D005306:Fertilization; D007814:Larva / Q000033:anatomy & histology / Q000254:growth & development*; D010802:Phylogeny