Authors: Sanchez-Villagra, MR Kay, RF Anaya-Daza, F

Citation: Mr. Sanchez-villagra et al., Cranial anatomy and palaeobiology of the Miocene marsupial Hondalagus altiplanensis and a phylogeny of argyrolagids, PALAEONTOL, 43, 2000, pp. 287-301

Authors: Sanchez-Villagra, MR Burnham, RJ Campbell, DC Feldmann, RM Gaffney, ES Kay, RF Lozsan, R Purdy, R Thewissen, JGM

Citation: Mr. Sanchez-villagra et al., A new near-shore marine fauna and flora from the early neogene of northwestern Venezuela, J PALEONTOL, 74(5), 2000, pp. 957-968

Authors: Kay, RF Kirk, EC

Citation: Rf. Kay et Ec. Kirk, Osteological evidence for the evolution of activity pattern and visual acuity in primates, AM J P ANTH, 113(2), 2000, pp. 235-262

Authors: Kay, RF Madden, RH Vucetich, MG Carlini, AA Mazzoni, MM Re, GH Heizler, M Sandeman, H

Citation: Rf. Kay et al., Revised geochronology of the Casamayoran South American land mammal age: Climatic and biotic implications, P NAS US, 96(23), 1999, pp. 13235-13240