Description of a new species of crinoid from the Burlington Limestone, at Burlington, Iowa - 1881
The West Indian Seal (Monachus tropicalis Gray) - 1887
Note on squalodont remains from Charleston, S. C. - 1887
The Calciferous Formation in the Champlain valley - 1890
Ancestors of the tapir from the lower Miocene of Dakota - 1893
Fossil mammals of the Upper Cretaceous beds - 1893
Artionyx, a new genus of Ancylopoda - 1893
Fossil mammals of the Lower Miocene White River beds. Collection of 1892 - 1894
On the names of mammals given by Kerr in his 'Animal kingdom,' published in 1792 - 1895
Fossil mammals of the Uinta Basin. Expedition of 1894 - 1895
The extinct Camelidae of North America and some associated forms - 1898
The ancestry of certain members of the Canidae, the Viverridae, and Procyonidae - 1899
A New Species of Pleistocene Horse From the Staked Plains of Texas - 1900
Description of a new crinoid from Indiana - 1900
The generic names of the Mephitinae - 1901
Tooth Characters and Revision of the North American Species of the Genus Equus - 1901
Fore and hind limbs of Sauropoda from the Bone Cabin Quarry - 1901
On the skull of Bunaelurus, a musteline from the White River Oligocene - 1902
New canidae from the Miocene of Colorado - 1902
The skull of Hypisodus, the smallest of the Artiodactyla - 1902
The generic and specific names of some of the Otariidae - 1902
The hair seals (Family Phocidae) of the North Pacific Ocean and Bering Sea - 1902
The four phyla of Oligocene titanotheres - 1902
A skull of <i>Dinocyon</i> from the Miocene of Texas - 1902
The fauna of the Titanotherium Beds at Pipestone Springs, Montana - 1903
Glyptotherium texanum, a new glyptodont, from the lower Pleistocene of Texas - 1903
Ornitholestes hermanni, a new compsognathoid dinosaur from the Upper Jurassic - 1903
On two species of Platygonus from the Pliocene of Texas - 1903
The skull of Creosaurus - 1903
Teleorhinus browni—a teleosaur in the Fort Benton - 1904
New Miocene rhinoceroses, with revision of known species - 1904
Notice of a remarkable case of reproduction of lost parts shown on a fossil crinoid - 1904
Notice of two new Oligocene camels - 1904
A complete skeleton of Merycodus - 1904
Proper generic names of Miocene horses - 1904
Manus, sacrum, and caudals of Sauropoda - 1904
Tyrannosaurus and other Cretaceous carnivorous dinosaurs - 1905
Notice of two new genera of mammals from the Oligocene of South Dakota - 1905
Notice of a new crinoid and a new mollusk from the Portage rocks of New York - 1905
Tyrannosaurus, Upper Cretaceous carnivorous dinosaur. (Second communication.) - 1906
A fossil Cicada from Florissant, Colorado - 1906
Fossil Saw-flies from Florissant Colorado - 1906
New notes on the osteology of Triceratops - 1906
Fossil Parasitic and Phytophagous Hymenoptera from Florissant, Colorado - 1906
Descriptions of seven new species of turtles from the Tertiary of the United States - 1907
Fossil Dragonflies from Florissant Colorado - 1907
A Lower Miocene fauna from South Dakota - 1907
Some fossil arthropods from Florissant, Colorado - 1907
New merycoidodonts from the Miocene of Montana - 1907
Revision of the Miocene and Pliocene Equidae of North America - 1907
Description of the Skull of Bolosaurus striatus Cope - 1907
Supplemental descriptions of two new genera of Aeschninae - 1907
A revision of the American Eocene horses - 1908
New or little known titanotheres from the Eocene and Oligocene - 1908
Fossil Insects from Florissant, Colorado - 1908
New fossil mammals from the Fayûm Oligocene, Egypt - 1908
Taxonomic descriptions; Fossil Insects from Florissant, Colorado - 1908
Supplementary note, in A fossil larrid wasp - 1908
The Ankylosauridae, a new family of armored dinosaurs from the Upper Cretaceous - 1908
Osteology of Blastomeryx and phylogeny of the American Cervidae - 1908
A four-horned pelycosaurian from the Permian of Texas - 1908
Two Fossil Phoridae from the Miocene Shales of Florissant, Colorado - 1908
Fossil Insects from Florissant, Colorado - 1909
New carnivorous mammals from the Fayûm Oligocene, Egypt - 1909
Fossil Diptera from Florissant, Colorado - 1909
Mammals from British East Africa, collected by the Tjader expedition of 1906 - 1909
A Pliocene fauna from western Nebraska - 1909
Observations upon the genus Ancodon - 1909
The Skeleton of Poecilospondylus francisi, a New Genus and Species of Pelycosauria - 1910
Fossil insects and a crustacean from Florissant, Colorado - 1910
Three new genera of myrmicine ants from tropical America - 1910
On the skull of Apternodus and the skeleton of a new artiodactyl - 1910
On the osteology and relationships of Paramys, and the affinities of the Ischyromyidae - 1910
The phylogeny of the Felidae - 1910
Fossil Coleoptera from Florissant, with descriptions of several new species - 1911
Historical and nomenclatorial notes on North American sheep - 1912
On some fossil rhynchophorous Coleoptera from Florissant, Colorado - 1912
<i>Brachyostracon</i>, a new genus of glyptodonts from Mexico - 1912
A crested dinosaur from the Edmonton Cretaceous - 1912
The osteology of the manus in the family Trachodontidae - 1912
A new plesiosaur, Leurospondylus, from the Edmonton Cretaceous of Alberta - 1913
A new phytosaur from the Palisades near New York - 1913
Eomoropus, an American Eocene chalicothere - 1913
New mammals from Colombia and Ecuador - 1913
On the Structure and Affinities of Bolosaurus - 1913
On some new genera and species of dicynodont reptiles, with notes on a few others - 1913
A new trachodont dinosaur, Hypacrosaurus, from the Edmonton Cretaceous of Alberta - 1913
The skeleton of Saurolophus, a crested duck-billed dinosaur from the Edmonton Cretaceous - 1913
The fossil and recent Bombyliidae compared - 1914
On the names of Lower Eocene faunal horizons of Wyoming and New Mexico - 1914
A revision of the bunodont artiodactyla of the Middle and Lower Eocene of North America - 1914
A complete skull of Monoclonius, from the Belly River Cretaceous of Alberta - 1914
Leptoceratops, a new genus of Ceratopsia from the Edmonton Cretaceous of Alberta - 1914
Revision of Paleozoic Stelleroidea with special reference to North American Asteroidea - 1915
On reptiles of the New Mexican Trias in the Cope Collection - 1915
A revision of the Lower Eocene Wasatch and Wind River faunas - 1915
New South American mammals - 1916
Corythosaurus casuarius: skeleton, musculature and epidermis - 1916
A new crested trachodont dinosaur, Prosaurolophus maximus - 1916
Skeletal adaptations of Ornitholestes, Struthiomimus, Tyrannosaurus - 1916
The dentition of Nothodectes - 1917
The skeleton of Diatryma, a gigantic bird from the Lower Eocene of Wyoming - 1917
New species of claenodonts from the Fort Union (basal Eocene) of Montana - 1919
New titanotheres of the Huerfano - 1919
The skull of Crocodilus acer Cope - 1921
Brachygnathosuchus braziliensis, a new fossil crocodilian from Brazil - 1921
Allognathosuchus, a new genus of Eocene crocodilians - 1921
Individual and age variations in the skulls of Recent Crocodilia - 1921
Reptilian and stegocephalian remains from the Triassic of Pennsylvania in the Cope collection - 1921
Description of a skull of a Bridger crocodilian - 1921
The family Deinodontidae, with notice of a new genus from the Cretaceous of Alberta - 1922
Further evidence on the structure of the Eosuchia - 1924
Fossils in the Ondai Sair Formation Mongolia - 1924
Miocene oreodonts in the American Museum - 1924
Third contribution to the Snake Creek Fauna - 1924
Primates collected by the American Museum Congo Expedition - 1925
The Hemicyoninae and an American Tertiary bear - 1926
Pleistocene mammalian fauna of the Seminole Field, Pinellas County, Florida - 1929
Pelmatozoan root-forms (fixation) - 1929
A revision of the Tertiary Multituberculata - 1929
The Pennsylvanian Tetrapods of Linton, Ohio - 1930
Tertiary Land Mammals of Florida - 1930
Fossil turtles of Mongolia - 1931
Fossil Sirenia of Florida and the evolution of the Sirenia - 1932
On the dinosaurian fauna of the Iren Dabasu Formation - 1933
A new fossil snake from the Notostylops beds of Patagonia - 1933
Revision of the Hyrachyidae - 1934
Fossil mammals from Burma in the American Museum of Natural History - 1938
A New Titanothere Genus From the Upper Eocene of Mongolia and North America - 1938
Crossochelys, Eocene horned turtle from Patagonia - 1938
Studies on the earliest primates - 1940
Merycochoerinae, a new subfamily of oreodonts - 1940
Ticholeptinae, a new subfamily of oreodonts - 1941
A study of Orycteropus gudryi from the Island of Samos - 1941
Palaeontology of Harrar Province, Ethiopia. Part 3: Jurassic Anthozoa and Hydrozoa - 1943
A study of the troödont dinosaurs with the description of a new genus and four new species - 1943
Fossil lizards of Mongolia - 1943
A revision of the Mongolian titanotheres - 1943
A new fossil whale from the Miocene of Peru - 1944
Hypsognathus, a Triassic Reptile from New Jersey - 1946
Sebecus, representative of a peculiar suborder of fossil Crocodilia from Patagonia - 1946
Merychyinae, a subfamily of oreodonts - 1947
Studies of the phytosaurs Machaeroprosopus and Rutiodon - 1947
Anurans from the early Tertiary of Patagonia - 1949
Promerycochoerinae, a new subfamily of oreodonts - 1949
The ancestral crocodilian Protosuchus - 1951
The Deseadan vertebrate fauna of the Scarritt Pocket, Patagonia - 1952
A pseudosuchian reptile from Arizona - 1952
Note on the geology of the Daban Area and the localities of the described nautiloids - 1952
The systematic postition of Lanthanotus and the affinities of the anguinomorphan lizards - 1954
Triassic metoposaurid amphibians - 1956
Miniochoerinae and Oreonetinae two new subfamilies of oreodonts - 1956
The mastodonts of Brazil - 1957
The geology and paleontology of the Elk Mountain and Tabernacle Butte area, Wyoming - 1959
The species of Nimravus (Carnivora, Felidae) - 1959
Permian and Eotriassic bivalves of the middle Rockies - 1963
The Miocene faunas from the Wounded Knee area of western South Dakota - 1963
The Miacidae (Mammalia, Carnivora). Part 1, The systematics of Ictidopappus and Protictis - 1966
Deltatheridia, a new order of Mammals - 1966
New Paleocene insectivores and insectivore classification - 1967
A Review of the Rhinocerotoid Family Hyracodontidae (Perissodactyla) - 1967
Late Triassic fishes from the western United States - 1967
Mixodectidae, Microsyopidae, and the insectivore-primate transition - 1969
The Triassic gliding reptile Icarosaurus - 1970
The Synthetoceratinae (Mammalia, Tylopoda, Protoceratidae) - 1971
A review of the pre-Pliocene penguins of New Zealand - 1971
The systematics of the North American family Baenidae (Reptilia, Cryptodira) - 1972
The vertebrate fauna of the Judith River Formation, Montana - 1972
Early Pleistocene pre-glacial and glacial rocks and faunas of north-central Nebraska - 1972
The natural history of nyala Tragelaphus angasi (Mammalia, Bovidae) in Mozambique - 1975
An Early Triassic fish assemblage from British Columbia - 1976
Revision of the Paleogene genus Glyptosaurus (Reptilia, Anguidae) - 1979
The Jurassic turtles of North America - 1979
Brachiopods of the Onondaga Limestone in central and southeastern New York - 1985
A phylogenetic, revised classification of genera in the Drosophilidae (Diptera) - 1990
Taxonomic revision of the Lysorophia, Permo-Carboniferous lepospondyl amphibians - 1991
Neotropical Chiroptera from the Pliocene and Pleistocene of Florida - 1991
Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae) - 1994
Paleogeography of the Caribbean region: implications for Cenozoic biogeography - 1996
Evolutionary and biogeographic patterns in the Asteropyginae (Trilobita, Devonian) Delo, 1935 - 1997
Brachyceran Diptera in Cretaceous ambers and Mesozoic diversification of the Eremoneura - 1999
Phylogenetic systematics of the Borophaginae (Carnivora: Canidae) - 1999
Nomenclatural changes in the Staphylinidae (Insecta: Coleoptera) - 2001
Mimotricentes tedfordi, a new arctocyonid from the late Paleocene of California - 2003
Notes on Early Oligocene ursids (Carnivora, Mammalia) from Saint Jacques, Nei Mongol, China - 2003
New material of Osbornodon from the early Hemingfordian of Nebraska and Florida - 2003
New evidence of Miocene Protoceratidae including a new species from Chiapas, Mexico - 2003
Pinnipedimorph evolutionary biogeography - 2003
New oreodont (Mammalia, Artiodactyla) from the late Oligocene (early Arikareean) of Florida - 2003
A polydolopine marsupial skull from the Cachapoal Valley, Andean Main Range, Chile - 2004
Phylogenetic Systematics of the North American Fossil Caninae (Carnivora: Canidae) - 2009
Generic revision of the Procirrina (Coleoptera, Staphylinidae, Paederinae, Pinophilini) - 2010
The early evolution of archosaurs: relationships and the origin of major clades - 2011
Mammalian diversity and Matses ethnomammalogy in Amazonian Peru. Part 1: Primates - 2011
Nasutitermes crinitus name, in Treatise on the Isoptera of the world - 2013