Breviora

Remarks on some Miocene anurans from Florida, with a description of a new species of Hyla - 1956

No title - 1956

No title - 1956

No title - 1958

A new dichobunid artiodactyl from the Unita Eocene - 1958

No title - 1958

A new genus of erethizontid rodents from the Colhuehuapian of Patagonia - 1958

An embolomere jaw from the mid-Carboniferous of Nova Scotia - 1958

A mounted skeleton of the giant plesiosaur Kronosaurus - 1959

Anomalophis bolcensis (Massalongo), a new genus of fossil snake from the Italian Eocene. - 1959

Anisian ammonoids from Malaya - 1960

Mid-Scythian Ammonites from Iwai Formation, Japan - 1960

No title - 1960

No title - 1960

No title - 1961

A large ophiacodont pelycosaur from the Pennsylvanian of the Pittsburgh region - 1961

No title - 1962

A new species of the rodent Pipestoneomys from the Oligocene of Nebraska - 1962

A rhachitomous amphibian Spathicephalus from the Mississippian of Nova Scotia - 1962

Preliminary diagnosis of Ischigualastia, a new genus of dicynodont from Argentina. - 1962

A new picrodontid insectivore(?) from the Paleocene of Wyoming - 1962

No title - 1962

The aistopod amphibians surveyed - 1964

The early evolution of the Echinozoa - 1965

A revised classification of the dendrochirote holothurians - 1965

Chronological survey of the tetrapod-bearing Triassic of Argentina - 1966

No title - 1966

The Chañares (Argentina) Triassic reptile fauna. II. Sketch of the geology of the Río Chañares-Río Gualo region - 1966

The Chañares (Argentina) Triassic reptile fauna. III. Two new gomphodonts, Massetognathus pascuali and M. teruggii - 1967

The Chañares (Argentina) Triassic reptile fauna. IV. The dicynodont fauna - 1968

New echimyid rodents from the Oligocene of Patagonia, and a synopsis of the family - 1968

A scincoid lizard from the Cretaceous and Paleocene of Montana - 1969

A new fossil discoglossid frog from Montana and Wyoming - 1969

Relationships of two Cretaceous lizards (Sauria, Teiidae) - 1969

The Chañares (Argentina) Triassic reptile fauna. V. A new chiniquodontid cynodont, Probelesodon lewisi—cynodont ancestry - 1969

The Brazilian Triassic cynodont reptiles Belesodon and Chiniquodon - 1969

Lower vertebrates from the Late Cretaceous Hell Creek Formation, McCone County, Montana - 1969

Two new Late Cretaceous fishes from Montana and Wyoming - 1969

Paleoecology of a Late Cretaceous vertebrate community from Montana - 1970

The Chañares (Argentina) Triassic reptile fauna. VI. A chiniquodontid cynodont with an incipient squamosal-dentary jaw articulation - 1970

Addition to the knowledge of Groeberia (Mammalia, Marsupialia) from the mid-Cenozoic of Argentina - 1970

Mammals from the early Cenozoic of Chubut, Argentina - 1970

The Chañares (Argentina) Triassic reptile fauna. X. Two new but incompletely known long-limbed pseudosuchians - 1971

The Chañares (Argentina) Triassic reptile fauna. XI. Two new long-snouted thecodonts, Chanaresuchus and Gualosuchus - 1971

The Chañares (Argentina) Triassic reptile fauna. VIII. A fragmentary skull of a large thecodont, Luperosuchus fractus - 1971

The Chañares (Argentina) Triassic reptile fauna. XVII. The Chañares gomphodonts - 1972

The Chañares (Argentina) Triassic reptile fauna. XVI. Thecodont classification - 1972

The Chañares (Argentina) Triassic reptile fauna; XIV, Lewisuchus admixtus, gen. et sp. nov., a further thecodont from the Chañares beds - 1972

The Chañares (Argentina) Triassic reptile fauna. XV. Further remains of the thecodonts Lagerpeton and Lagosuchus - 1972

The Chañares (Argentina) Triassic reptile fauna. XII. The postcranial skeleton of the thecodont Chanaresuchus - 1972

The Chañares (Argentina) Triassic reptile fauna. XIII. An early ornithosuchid pseudosuchian, Gracilisuchus stipanicicorum, gen. et sp. nov. - 1972

A new late Paleocene phenacodont (Mammalia; condylarthra) from western Colorado - 1973

No title - 1973

Association of Ursus arctos and Arctodus simus (Mammalia: Ursidae) in the late Pleistocene of Wyoming - 1974

Crocodilians from the Late Tertiary of northwestern Venezuela: Melanosuchus fisheri sp. nov. - 1976

On a new specimen of the Lower Cretaceous theropod dinosaur <i>Deinonychus antirrhopus</i> - 1976

Stupendemys geographicus, the world's largest turtle - 1976

No title - 1978

A new Paleocene palaeanodont and the origin of the Metacheiromyidae (Mammalia) - 1979

A new amber-embedded sphaerodactyl gecko from Hispaniola, with comments on morphological synapomorphies of the Sphaerodactylidae - 2012