Robustus

Dating to the Cretaceous Period, it shows the four-legged mammal Repenomamus robustus - the size of a domestic cat - ferociously entangled with the beaked two-legged dinosaur Psittacosaurus lujiatunensis - as big as a medium-sized dog.

Eschrichtiidae or the gray whales is a family of baleen whale (suborder Mysticeti ) with a single extant species, the gray whale (Eschrichtius robustus).

In 1938 Paranthropus robustus bones were found at Kromdraai, and during 1947 several more examples of Australopithecus africanus were uncovered in Sterkfontein.

The gray whale (Eschrichtius robustus), also known as the grey whale, Britannica Micro.: v. IV, p. 693. gray back whale, Pacific gray whale, or California gray whale Walker mam.

There is currently no consensus in the scientific community whether P. aethiopicus, P. boisei and P. robustus should be placed into a distinct genus, Paranthropus, which is believed to have evolved from the ancestral Australopithecus line.

Wear pattern analysis of bone tools used by the early hominin Paranthropus robustus suggests that they used these tools to dig into termite mounds. citation A Matabele ant (Megaponera analis) kills a Macrotermes bellicosus termite soldier during a raid.