Final answer:
Paranthropus cranio-dental adaptations include a pronounced sagittal crest and large molars, which are evolutionary features for processing a tough, fibrous diet. These adaptations are seen in species such as Paranthropus robustus and Paranthropus boisei.
Step-by-step explanation:
The term for Paranthropus cranio-dental adaptations refers to the distinct morphological features that evolved in this genus, primarily to accommodate a diet of hard nuts and seeds. These adaptations include a sagittal crest, a broad flared zygomatic arch, and very large molars in comparison to their incisors and canines. The Paranthropus genus, known for species such as Paranthropus robustus and Paranthropus boisei, is characterized by robust cranial features and dentition that suggest heavy masticatory capabilities, likely an evolutionary response to their coarse and fibrous vegetarian diet. Notably, their shorter arms relative to the legs, bipedalism, increased dexterity in their hands, and changes in brain size reflect a significant adaptation to their environmental and dietary challenges.