This work is part of the Malawi Dinosaur Project, a cooperative project between colleagues from Malawi and the United States. L.L. Jacobs and D.A. Winkler of Southern Methodist University have been instrumental in the field, laboratory, and in completion of this study. I thank Z. Kaufulu of Chancellor College, University of Malawi, and Y. Juwayeyi, the Director of Antiquities at the time this study was done. Malawian colleagues (especially W. Michala, J. Chilachila, S. Mithi, H. Simfukwe, E.S.Tambala, A.Topeka, J. Chimzimu, and D. Banda of the Malawi Department of Antiquities), the staff of Museums of Malawi in Blantyre, and the villagers around Mwakasyunguti and Ngara have been helpful in the field and laboratory. I also thank K. Newman, A. Winkler, L. MacLatchy, L. Taylor, J. Congleton, A. Mohamed, V. Yarborough, D. Vineyard, Y-N Lee, Y. Kobayashi, J. Head, J. Harris, my family, my friends, and all those who have contributed to this study in one way or other. P. Curry, P. Rose, J.A. Wilson, and M. Bonnan reviewed the manuscript at one stage or another.
The following people allowed access to collections in their charge: J. Bonaparte, F. Novas, and G. Rougier (Museo Argentino de Ciencias Naturales, Buenos Aires); J. Powell (Museo de Ciencias Naturales, Tuçuman); A. Fiorillo (Dallas Museum of Natural History); A. Milner (The Natural History Museum, London); J. Clack (University Museum of Zoology, Cambridge); the late H. Jaeger and W.-D. Heinrich (Museum für Naturkunde, Berlin); and G. King (South African Museum). Thanks also for access to specimens at the Field Museum of Natural History, Chicago, Illinois; Brigham Young University, Earth Science Museum, Provo, Utah; National Museum of Science, Tokyo, Japan, special exhibit on dinosaurs of Gondwana; Instituto Miguel Lillo de la Universidad de Tuçuman, Tuçuman, Argentina; Museo Paleontológico “Egidio Feruglio” Trelew, Argentina; Museo Argentino de Ciencias Naturale “Bernadino Rivadavia” Buenos Aires, Argentina; the temporary Dinoworld exhibit at the Dallas Museum of Natural History; and the Shuler Museum of Paleontology at Southern Methodist University.
This project was supported by the National Geographic Society, the Dinosaur Society, American Airlines, the Institute for the Study of Earth and Man at Southern Methodist University, The Saurus Institute, Caltex Oil (Malawi) Limited, the Malawi Department of Antiquities, the Dallas Paleontological Society, the Graduate Student Assembly of Southern Methodist University, and Johnson and Johnson Orthopaedics.
W. Downs was an important member of the Malawi Dinosaur Project. His efforts in Malawi are greatly appreciated, as are those of F. Morocco and J. Khomu, all three of whom worked together at Mwakasyunguti and have since seen their final fieldwork.