M. robustus

M. robustus may refer to:
 * Macropus robustus, the Eastern wallaroo, common wallaroo, hill wallaroo or euro, a large mammal species found throughout much of the Australian mainland
 * Melanochromis robustus, a fish species found in Malawi and Tanzania
 * Melichneutes robustus, the lyre-tailed honeyguide, a bird species found in Africa

Synonyms

 * Moroteuthis robustus, a synonym for Moroteuthis robusta, the robust clubhook squid, a squid species found primarily in the boreal to temperate North Pacific