Figure 3.
FTIR absorption spectra for the fossil microbodies in the Libros frogs and in a melanin standard (Sepia officinalis). Details of the absorption bands and associated symbols are in Table 2.
FTIR absorption spectra for the fossil microbodies in the Libros frogs and in a melanin standard (Sepia officinalis). Details of the absorption bands and associated symbols are in Table 2.