Extended Data Fig. 6: Disparity depending on life cycle and on fine-grained classifications corrected by the number of landmarks per bone.
From: Metamorphosis shapes cranial diversity and rate of evolution in salamanders

Disparity per life cycle and on fine-grained classifications corrected by the number of landmarks per bone. Left: analyses were run on the whole data set and excluded the strictly viviparous species for the classification of life cycles. Right: these analyses were run on the whole data set excluding the strictly viviparous (f-vila as n = 2 and vipu as n = 2), oviparous (n = 1) and facultative bipashic pd1(f-bi pd1 as n = 2) species for the classification of life cycles. Abbreviations are as follows: f-bi pd1 indicates facultative biphasic species, as some populations can be paedomorphic in these species. When they are paedomorphic they display external gills, gill slits, a tail fin, no eyelids, no maxillary bones, no septomaxilla and no prefrontal; f-bi pd4 indicates facultative biphasic species, as some populations can be paedomorphic in these species. When they are paedomorphic they display external gills, gill slits, tail fin, no eyelids, no septomaxilla and with maxillary and prefrontal bones developing before adulthood; f-bi pd4tri indicates species that are triphasic; pd1 indicates paedomorphic species with external gills, gill slits, tail fin, no eyelids, no maxillary bones, no septomaxilla and no prefrontal; pd2 indicates paedomorphic species with external gills, gill slits, tail fin, no eyelids, no septomaxilla, no prefrontal and with maxillary bones developing before adulthood; pd3 indicates paedomorphic species without external gills but with gill slits, tail fin, no eyelids, no septomaxilla and with maxillary and prefrontal bones developing before adulthood; pd4 indicates paedomorphic species with external gills, gill slits, tail fin, no eyelids, no septomaxilla and with maxillary and prefrontal bones developing before adulthood; vipu indicates strictly puereparate viviparous species; f-vila indicates facultative larviparate viviparous species; ovi indicates oviparous species.