Figure 6 in DNA sequencing reveals unexpected Recent diversity and an ancient dichotomy in the American marsupial genus Marmosops (Didelphidae: Thylamyini)

Figure 6. Lateral view of posterior braincase of Marmosops (Sciophanes) pinheiroi (A, AMNH 267345) and Marmosops (Marmosops) noctivagus (B, MUSM 13288) illustrating diagnostic subgeneric morphologies of the squamosal (green) and petrosal (yellow). Abbreviations: als, alisphenoid; exo, exoccipital; lspc, lateral surface of pars canalicularis (of petrosal); par, parietal; pet, petrosal; sps, sulcus for the prootic sinus (of petrosal); sq, squamosal; srza, squamosal root of zygomatic arch; ssf, subsquamosal foramen.