pone.0019480.g006

Phylogenetic relationships of Shastasaurus.

This cladogram represents the strict consensus of 72 most parsimonious

trees. Differences in topology among MPTs are mainly found among the

outgroup taxa and the basal Merriamosauria. Derived Parvipelvia were

part of the analysis but were omitted for clarity. Relevant nodes are

numbered in accordance with Table S5. See Materials and Methods section and Supporting Information for details of

analysis.

Done