Rigby 1981. A skeleton of Gillisonchus gillianus (Mammalia; Condylarthra) from the Early Paleocene (Puercan) Ojo Alamo sandstone, San Juan Basin, New Mexico, with comments on the local stratigraphy of Betonnie Tsosie Wash. Lucas, S.G.; Rigby, J.K.; Kues, B.S.[Eds]. Advances in San Juan Basin paleontology., University of New Mexico, Albuquerque, New Mexico, 1981: 3-25. Chapter pagination: 89-126