| Fossil lizards of North America CW Gilmore, RM Sullivan, JF Wear Riverside Museum Press 22, 1-169, 1928 | 254 | 1928 |
| Late Triassic dinosaursfrom the western United States AP Hunt, SG Lucas, AB Heckert, RM Sullivan, MG Lockley Geobios 31 (4), 511-531, 1998 | 125 | 1998 |
| The Kirtlandian land-vertebrate “age”–faunal composition, temporal position and biostratigraphic correlation in the nonmarine Upper Cretaceous of western North America RM Sullivan, SG Lucas New Mexico Museum of Natural History and Science Bulletin 35, 7-29, 2006 | 120 | 2006 |
| Revision of the Paleogene genus Glyptosaurus (Reptilia, Anguidae). Bulletin of the AMNH; v. 163, article 1 RM Sullivan New York: American Museum of Natural History, 1979 | 97 | 1979 |
| A taxonomic review of the Pachycephalosauridae (Dinosauria: Ornithischia) RM Sullivan New Mexico Museum of Natural History and Science Bulletin 35 (47), 347-365, 2006 | 95 | 2006 |
| Revision of the dinosaur Stegoceras Lambe (Ornithischia, Pachycephalosauridae) RM Sullivan Journal of Vertebrate Paleontology 23 (1), 181-207, 2003 | 77 | 2003 |
| Eucoelophysis baldwini a new theropod dinosaur from the Upper Triassic of New Mexico, and the status of the original types of Coelophysis RM Sullivan, SG Lucas Journal of Vertebrate Paleontology 19 (1), 81-90, 1999 | 75 | 1999 |
| Nodocephalosaurus kirtlandensis, gen. et sp. nov., a new ankylosaurid dinosaur (Ornithischia: Ankylosauria) from the Upper Cretaceous Kirtland Formation (upper … RM Sullivan Journal of Vertebrate Paleontology 19 (1), 126-139, 1999 | 75 | 1999 |
| The Kirtlandian, a new land-vertebrate “age” for the Late Cretaceous of western North America RM Sullivan, SG Lucas New Mexico Geological Society Guidebook 54, 369-377, 2003 | 73 | 2003 |
| A New Skull of Parasaurolophus (Dinosauria: Hadrosauridae) from the Kirtland Formation of New Mexico and a Revision of the Genus: Bulletin 15 RM Sullivan, TE Williamson New Mexico Museum of Natural History and Science, 1999 | 71 | 1999 |
| Re-assessment of late Campanian (Kirtlandian) turtles from the Upper Cretaceous Fruitland and Kirtland Formations, San Juan Basin, New Mexico, USA RM Sullivan, SE Jasinski, SG Lucas Morphology and evolution of turtles, 337-387, 2013 | 53 | 2013 |
| Dracorex hogwartsia, n. gen., n. sp., a spiked, flat-headed pachycephalosaurid dinosaur from the Upper Cretaceous Hell Creek Formation of South Dakota RT Bakker, RM Sullivan, V Porter, P Larson, SJ Saulsbury New Mexico Museum of Natural History and Science Bulletin 35, 331-345, 2006 | 46 | 2006 |
| Redescription of the ceratopsid dinosaur Torosaurus utahensis (Gilmore, 1946) and a revision of the genus RM Sullivan, AC Boere, SG Lucas Journal of Paleontology 79 (3), 564-582, 2005 | 46 | 2005 |
| A reassessment of the fossil Tupinambinae RM Sullivan, R Estes Vertebrate paleontology in the neotropics. The Miocene fauna of La Venta …, 1997 | 46 | 1997 |
| A new middle Paleocene (Torrejonian) rhineurid amphisbaenian, Plesiorhineura tsentasi new genus, new species, from the San Juan Basin, New Mexico RM Sullivan Journal of Paleontology, 1481-1485, 1985 | 46 | 1985 |
| Review of the historical and present status of the lesser prairie-chicken (Tympanuchus pallidicinctus) in Texas RM Sullivan, JP Hughes, JE Lionberger Prairie Naturalist 32 (3), 177-188, 2000 | 45 | 2000 |
| Alamosaurus (Dinosauria: Sauropoda) from the late Campanian of New Mexico and its significance RM Sullivan, SG Lucas Journal of Vertebrate Paleontology 20 (2), 400-403, 2000 | 45 | 2000 |
| A reassessment of reptilian diversity across the Cretaceous-Tertiary boundary RM Sullivan Contributions in science. Natural history museum of Los Angeles County, 1987 | 45 | 1987 |
| A new caenagnathid Ojoraptorsaurus boerei, n. gen., n. sp RM Sullivan, SE Jasinski, MPA Van Tomme Dinosauria, Oviraptorosauria) from the Upper Cretaceous Ojo Alamo Formation …, 2011 | 44 | 2011 |
| Re-evaluation of Pentaceratops and Chasmosaurus (Ornithischia: Ceratopsidae) in the Upper Cretaceous of the Western Interior SG Lucas, RM Sullivan, AP Hunt New Mexico Museum of Natural History and Science Bulletin 35, 367-370, 2006 | 44 | 2006 |
