2.1. Obtaining specimens and morphological analysis

2.2. DNA extraction, amplification, and sequencing

2.3. Phylogenetic analysis and time of divergence estimation

2.4. Reconstruction of ancestral distribution

2.5. Character state reconstruction

2.6. Abbreviations

3.1. Phylogenetic analyses and divergence time estimates

3.2. Ancestral distribution reconstruction

3.3. Ancestral state reconstruction

4.1. Phylogenetic relationships and morphological evolution in Austinixa

4.2. Evolutionary history and biogeography of Austinixa

4.3. Phylogenetics and the taxonomic status of Austinixa aidae (Righi, 1967)

4.4. Relationship between A. leptodactyla, A. roblesi and A. marianae