fossil, [69];
P. assimilis, [66];
P. brevicauda, [63];
P. conradii, fossil, [69];
P. eyermani, fossil, [69];
P. gravis, [66];
P. griseus, [66];
P. major, [66];
fossil, [69];
P. assimilis, [66];
P. brevicauda, [63];
P. conradii, fossil, [69];
P. eyermani, fossil, [69];
P. gravis, [66];
P. griseus, [66];
P. major, [66];