Additional file 4 of A universal power law for modelling the growth and form of teeth, claws, horns, thorns, beaks, and shells

Additional file 4: Data S3. Distance and cross-sectional area data for non-tooth structures: antlers, beaks, chelicera, claws, hooves, horns, prickles, shells, spine and thorn. Taxonomy, specimen number, institution, structure type and measurements of cross-sectional area for 10 distances from tip of structure.