Authors: SIDOR CA HOPSON JA

Citation: Ca. Sidor et Ja. Hopson, GHOST LINEAGES AND MAMMALNESS - ASSESSING THE TEMPORAL PATTERN OF CHARACTER ACQUISITION IN THE SYNAPSIDA, Paleobiology, 24(2), 1998, pp. 254-273

Authors: CLARK JM HOPSON JA HERNANDEZ R FASTOVSKY DE MONTELLANO M

Citation: Jm. Clark et al., FOOT POSTURE IN A PRIMITIVE PTEROSAUR, Nature, 391(6670), 1998, pp. 886-889

Authors: RUBIDGE BS HOPSON JA

Citation: Bs. Rubidge et Ja. Hopson, A PRIMITIVE ANOMODONT THERAPSID FROM THE BASE OF THE BEAUFORT GROUP (UPPER PERMIAN) OF SOUTH-AFRICA, Zoological journal of the Linnean Society, 117(2), 1996, pp. 115-139

Authors: FASTOVSKY DE CLARK JM STRATER NH MONTELLANO M HERNANDEZ R HOPSON JA

Citation: De. Fastovsky et al., DEPOSITIONAL-ENVIRONMENTS OF A MIDDLE JURASSIC TERRESTRIAL VERTEBRATEASSEMBLAGE, HUIZACHAL CANYON, MEXICO, Journal of vertebrate paleontology, 15(3), 1995, pp. 561-575

Authors: HOPSON JA

Citation: Ja. Hopson, PATTERNS OF EVOLUTION IN THE MANUS AND PES OF NONMAMMALIAN THERAPSIDS, Journal of vertebrate paleontology, 15(3), 1995, pp. 615-639

Authors: WIBLE JR HOPSON JA

Citation: Jr. Wible et Ja. Hopson, HOMOLOGIES OF THE PROOTIC CANAL IN MAMMALS AND NONMAMMALIAN CYNODONTS, Journal of vertebrate paleontology, 15(2), 1995, pp. 331-356