1. Locomotor, postural, manipulative behavior and habitat utilization of arboreal mammals and especially primates, sciurids, and marsupials.
2. Evolutionary and adaptive significance of qualitative and quantitative diversity of positional modes and funtional analysis of morphological correlates in arboreal mammals.
3. Primate evolution: adaptive significance of claws; patterns of use of grasping extremities; postcranial morphology and evolution of Plesiadapidae; postcranial morphology and evolution of Mesopithecus
4. Ecomorphological analysis of fore- and hind limbs of mammals and particularly, primates, sciurids, carnivorans, and bats.
5. Behavioral adaptations of carnivorans, cervids, and rodents in their respective habitats in Greece: habitat use, diet, activity budgets, behavioral diversity, social structure and conservation issues.
