Description of an extant salamander from the Gulf Coastal Plain of North America: The Reticulated Siren, Siren reticulata
Table 3
Best nucleotide substitution models for Siren and Pseudobranchus axanthus outgroup using five gene sequences: 12S, 16S, COI, ND5, and CYB determined by PartitionFinder V2.1.1.
The models of evolution include gamma distributed rate variation among sites (G) and the proportion of invariable sites (I).