Richard Frederick Kay

Journal article Palaeogeography Palaeoclimatology Palaeoecology · September 15, 2020 Featured Publication The lower Miocene Santa Cruz Formation (dated to ~18–16 Ma) of Southern Patagonia, Argentina, preserves rich vertebrate faunas, which are representative of communities that existed prior to the Great American Biotic Interchange (GABI). Some previous resear ... Full text Open Access Cite

Patagonian Aridification at the Onset of the Mid-Miocene Climatic Optimum

Journal article Paleoceanography and Paleoclimatology · September 1, 2020 Featured Publication Fossil-rich sediments of the Santa Cruz Formation, Patagonia, Argentina, span the initiation of the Miocene Climatic Optimum (MCO), the most recent period of warm and wet conditions in the Cenozoic. These conditions drove the expansion of tropical and subt ... Full text Open Access Cite

Dental topographic change with macrowear and dietary inference in Homunculus patagonicus.

Journal article Journal of human evolution · July 2020 Featured Publication Homunculus patagonicus is a stem platyrrhine from the late Early Miocene, high-latitude Santa Cruz Formation, Argentina. Its distribution lies farther south than any extant platyrrhine species. Prior studies on the dietary specialization of Homunculus sugg ... Full text Open Access Cite

Fruit Selectivity in Anthropoid Primates: Size Matters

Journal article International Journal of Primatology · June 1, 2020 Featured Publication Certain features of both extant and fossil anthropoid primates have been interpreted as adaptations to ripe fruit foraging and feeding particularly spatulate incisors and trichromatic color vision. Here, we approach the question of anthropoid fruit foragin ... Full text Open Access Cite