James M. Clark
James M. Clarke is Professor of Biology at the George Washington University.
Fastovsky, D. E., Clark, J. M. & Hopson, J. A. 1987 Preliminary report of a vertebrtae fauna from an unusual palaoenvironmental setting, Huizachal Group, Early- or Mid-Jurassic, Tamaulipas, Mexico. Fourth Symp. Mesozoic Terrestrial Ecosystems, Short Papers, pp. 82–87.
Clark, J. M., Fastovsky, D. F., Montellano, M., Hopson, J. A. & Hernandez, R. 1994 Additions to the Middle Jurassic vertebrate fauna of Huizachal Canyon, Tamaulipas, Mexico. J. Vert. Paleont. 14 (3), 21A
Fastovsky, D. E., Clark, J. M., Strater, N. H., Montellano, M., Hernandez, R. & Hopson, J. A. 1995 Depositional environments of a middle Jurassic terrestrial vertebrate assemblage, Huizachal Canyon, Mexico. J. Vert. Pal. 15, 561–575.
Clark, J. M., Hopson, J. A. & Hernandez, R. R. 1996 An uncrushed "rhamphorynchoid" pterosaur from the Middle Jurassic of Mexico. J. Vert. Paleont. 16 (3), 28A.
Clark, J. M., Hopson, J. A., Hernandez, R., Fastovsky, D. E. & Montellano, M. 1997 A primitive pterosaur from the Jurassic of Mexico and its implications for pterosaur foot posture.J. Vert. Paleont. 17 (3), 38A–39A.
Clark, J. M., Hopson, J. A., Hernandez, R., Fastovsky, D. E. & Montellano, M. 1998 Foot posture in a primitive pterosaur. Nature 391, 886–889.