Fig. 2

Phylogenies with concatenated data (mtDNA: ND2, COI; nuclearDNA: MUSK, ODC) under Bayesian Inferences and Maximum Likelihood. Four main groups are represented in different colors (see geographic location in Fig. 1). Illustrations represent three different morphotypes based on differences in body size: Tres Marías–Islands (largest size, top), Pacific–continental (middle), Yucatán_CA (smallest size, bottom). Node supports are shown on main clades (posterior probability/bootstrap). Illustrations by Ana Hernández Ramírez