title: Segments, limbs, homology, and co-option.
authors.affiliation: Ecology Centre, University of Sunderland, Sunderland SR1 3SD, UK. wallace.arthur@sunderland.ac.uk
authors.forename: W
authors.initials: W
authors.lastname: Arthur
authors.forename: T
authors.initials: T
authors.lastname: Jowett
authors.forename: A
authors.initials: A
authors.lastname: Panchen
mesh_terms: D000818:Animals; D005075:Biological Evolution; D047108:Embryonic Development; D005121:Extremities / Q000196:embryology*