出典:Wiktionary
Originally in reference to a now-obsolete subfamily Australopithecinae, formed in New Latin, from Latin austrālis (“southern”) + Ancient Greek πίθηκος (píthēkos, “ape”).
australopithecine (複数形 australopithecines)
australopithecine (comparative more australopithecine, superlative most australopithecine)