M. irma, [133];

M. rufus, [132]

Macrorhinus, [453];

M. leoninus, [454]

Macroscelidae, [515]

Macroscelides, [515]

Macrotherium, [211]

Malacomys, [472]

Malacothrix, [476]

Mammals, position in Vertebrate series, [1];