SUPPLEMENTARY INFORMATION

SUPPLEMENTARY TABLE 1. Information on the specimens included in the analyses (available in zipped file).

SUPPLEMENTARY FIGURE 1. Graphical representation of the factor loadings of the shape analysis (available in zipped file).

SUPPLEMENTARY TEXT 1. Results of the principal component analysis of the shapes (available in zipped file).

SUPPLEMENTARY FILES 1-5. Files resulting from the shape analysis, including the chain codes, aligned shapes, and principal component analysis (available in zipped file).