Megalonyx, N. American Post-Pliocene, i. 130
in Brazilian caves, i. 145
S. American Pliocene, i. 147
Megalophrys, ii. [421]
Megalostoma, Eocene, i. 169
Megalurus, ii. [258]
Megalophonus, ii. [289]
Megamys, S. American Eocene, i. 148
ii. [238]
Meganostoma, ii. [478]