Proceedings of the National Academy of Sciences

Prodromus descriptionis animalium evertebratorum, que in Expeditione ad Oceanum Pacificum Septentrionalem, a Republica Federata missa, Cadwaiadaro Ringgold et Johanne Rodgers Ducibus, observavit et descripsit - 1858

On Amphibamus grandiceps, a new Batrachian from the Coal Measures - 1865

Mastodon and Capybara of South Carolina - 1890

Sphenacodon Marsh, A Permocarboniferous Theromorph Reptile from New Mexico - 1916

An upper Oligocene mammalian fauna from southern California - 1932

Eocene Land Mammals of the Pacific Coast - 1932

Hyænodontidæ of the Upper Eocene of California - 1933

A miacid from the Sespe Upper Eocene, California - 1933

An amynodont skull from the Sespe deposits, California - 1933

An Eocene primate from California - 1933

New creodonta from the Sespe upper Eocene, California - 1934

On the occurrence of an oreodont skeleton in the Sespe of South Mountain, California - 1934

A hypertragulid from the Sespe Uppermost Eocene, California - 1934

No title - 1934

Microsyopsinae and Hyopsodontidae in the Sespe Upper Eocene, California - 1934

Plesiomiacis, a New Creodont from the Sespe Upper Eocene, California - 1935

Insectivora from the Sespe uppermost Eocene, California - 1935

Titanothere Remains the Sespe of California - 1935

Occurrence of Lower Oligocene Mammal-Bearing Beds Near Death Valley, California - 1935

Cricetine-like rodents from the Sespe Eocene of California - 1935

No title - 1935

No title - 1936

Hesperomeryx, a new artiodactyl from the Sespe Eocene, California - 1936

Perissodactyla of the Sespe Eocene, California - 1936

Titanotheres from the Titus Canyon Formation, California - 1936

An Eocene Titanothere from San Diego County, California, with Remarks on the Age of the Poway Conglomerate - 1937

A peccary skull from the Barstow Miocene of California - 1937

No title - 1938

A Titanothere from the Type Sespe of California - 1938

Eocene Amynodonts from Southern California - 1939

Occurrence of Cretaceous reptiles in the Moreno Shale of the southern coast ranges, California - 1939

Molluscan fossils from the Rio Pachitea and vicinity in eastern Peru - 1944

Dual origin of highly social behavior among bees - 1977

Sexual dimorphism in Ramapithecinae - 1982

Fossil vertebrates from Antigua, Lesser Antilles: evidence for late Holocene human-caused extinctions in the West Indies - 1984

The oldest fossil bee: Apoid history, evolutionary stasis, and antiquity of social behavior - 1988

No title - 1989

Description of two genera and species of Late Eocene Anthropoidea from Egypt - 1989

No title - 1990

Taxeopody in the carpus and tarsus of Oligocene Pliohyracidae (Mammalia: Hyracoidea) and the phyletic position of Hyraxes - 1990

Towards a natural system of organisms: Proposal for the domains Archaea, Bacteria, and Eucarya - 1990

Laventiana annectens, new genus and species: fossil evidence for the origins of callitrichine New World monkeys - 1991

Early Tertiary elephant-shrews from Egypt and the origin of the Macroscelidea - 1991

Diversity in the early Tertiary anthropoidean radiation in Africa - 1992

Superfamily Gondwanatherioidea: a previously unrecognized radiation of multituberculate mammals in South America - 1993

New Cretaceous marsupial from Mongolia and the early radiation of Metatheria - 1994

Ediacaran biota from Sonora, Mexico - 1996

On the origin of the order Artiodactyla - 1996

Preliminary description of the cranium of Proteopithecus sylviae, an Egyptian late Eocene anthropoidean primate - 1997

No title - 1997

An upper dentition of Aframonius dieides (Primates) from the Fayum, Egyptian Eocene - 1997

Discovery of the Smallest Fayum Egyptian Primates (Anchomomyini, Adapidae) - 1997

Molecular evidence for multiple origins of Insectivora and for a new order of endemic African insectivore mammals - 1998

A new Eocene archaeocete (Mammalia, Cetacea) from India and the time of origin of whales - 1998

A finding of Oligocene primates on the European continent - 1999

Canine sexual dimorphism in Egyptian Eocene anthropoid primates: Catopithecus and Proteopithecus - 1999

Widanelfarasia, a diminutive placental from the late Eocene of Egypt - 2000

A formicine in New Jersey Cretaceous amber (Hymenoptera: Formicidae) and early evolution of the ants - 2000

Early human occupation of Western Europe: Paleomagnetic dates for two paleolithic sites in Spain - 2000

The cranium of Parapithecus grangeri, an Egyptian Oligocene anthropoidean primate - 2001

Insect herbivory, plant defense, and early Cenozoic climate change - 2001

On the origin of and phylogenetic relationships among living amphibians - 2001

Primate postcrania from the late middle Eocene of Myanmar - 2001

Life in the end-Permian dead zone - 2001

Spirochete and protist symbionts of a termite (Mastotermes electrodominicus) in Miocene amber - 2002

Genera of the human lineage - 2003

The first tunicate from the Early Cambrian of South China - 2003

Correlated terrestrial and marine evidence for global climate changes before mass extinction at the Cretaceous-Paleogene boundary - 2003

Discovery of an ornithurine bird and its implication for Early Cretaceous avian radiation - 2005

The position of Hippopotamidae within Cetartiodactyla - 2005

Ancient DNA from giant extinct lemurs confirms single origin of Malagasy primates - 2005

Anthropoid primates from the Oligocene of Pakistan (Bugti Hills): Data on early anthropoid evolution and biogeography - 2005

Additional remains of Wadilemur elegans, a primitive stem galagid from the Late Eocene of Egypt - 2005

Miocene mammal reveals a Mesozoic ghost lineage on insular New Zealand, southwest Pacific - 2006

The history of early bee diversification based on five genes plus morphology - 2006

Evidence for a clade composed of molluscs with serially repeated structures: monoplacophorans are related to chitons - 2006

Pygmoid Australomelanesian Homo sapiens skeletal remains from Liang Bua, Flores: Population affinities and pathological abnormalities - 2006

Evidence of a false thumb in a fossil carnivore clarifies the evolution of pandas - 2006

Revised age estimates for the later Paleogene mammal faunas of Egypt and Oman - 2006

A proboscidean from the late Oligocene of Eritrea, a ‘‘missing link’’ between early Elephantiformes and Elephantimorpha, and biogeographic implications - 2006

New primate genus from the Miocene of Argentina - 2006

A remarkable female cranium of the early Oligocene anthropoid Aegyptopithecus zeuxis (Catarrhini, Propliopithecidae) - 2007

Exceptionally well preserved late Quaternary plant and vertebrate fossils from a blue hole on Abaco, The Bahamas - 2007

The first fossil leaf insect: 47 million years of specialized cryptic morphology and behavior - 2007

New Paleocene skeletons and the relationship of plesiadapiformes to crown-clade primates - 2007

Biplane wing planform and flight performance of the feathered dinosaur Microraptor gui - 2007

Additional material of the enigmatic Early Miocene mammal Kelba and its relationship to the order Ptolemaiida - 2007

The first skull of the earliest giant panda - 2007

A gliding lizard from the Early Cretaceous of China - 2007

Correction for Shoshani et al., A proboscidean from the late Oligocene of Eritrea, a ‘missing link’ between early Elephantiformes and Elephantimorpha, and biogeographic implications - 2007

Neanderthal exploitation of marine mammals in Gibraltar - 2008

Oldest Asian record of Anthropoidea - 2008

Discovery of a rare arboreal forest dwelling flying reptile (Pterosauria, Pterodactyloidea) from China - 2008

The oldest North American primate and mammalian biogeography during the Paleocene-Eocene Thermal Maximum. - 2008

A giant frog with South American affinities from the Late Cretaceous of Madagascar - 2008

Late-surviving megafauna in Tasmania, Australia, implicate human involvement in their extinction - 2008

The protracted Holocene extinction of California’s flightless sea duck (Chendytes lawi) and its implications for the Pleistocene overkill hypothesis - 2008

Late-surviving megafauna in Tasmania, Australia, implicate human involvement in their extinction - 2008

The oldest platypus and its bearing on divergence timing of the platypus and echidna clades - 2008

Fossil evidence for the origin of spider spinnerets, and a proposed arachnid order - 2008

Uraraneida name, in Fossil evidence for the origin of spider spinnerets, and a proposed arachnid order - 2008

A long-snouted, multihorned tyrannosaurid from the Late Cretaceous of Mongolia - 2009

A microraptorine (Dinosauria–Dromaeosauridae) from the Late Cretaceous of North America - 2009

Fossil and molecular evidence constrain scenarios for the early evolutionary and biogeographic history of hystricognathous rodents - 2009

Skull and brain of a 300-million-year-old chimaeroid fish revealed by synchrotron holotomography - 2009

The oldest modern therian mammal from Europe and its bearing on stem marsupial paleobiogeography - 2009

Late Paleocene fossils from the Cerrejón Formation, Columbia, are the earliest record of Neotropical rainforest - 2009

A new feather type in a nonavian theropod and the early evolution of feathers - 2009

Timing and dynamics of Late-Pleistocene mammal extinctions in southwestern Australia - 2010

Biogeographic and evolutionary implications of a diverse paleobiota in amber from the early Eocene of India - 2010

An aberrant island-dwelling theropod dinosaur from the Late Cretaceous of Romania - 2010

Cretaceous African life captured in amber - 2010

Small body size and extreme cortical bone remodeling indicate phyletic dwarfism in Magyarosaurus dacus (Sauropoda: Titanosauria) - 2010

A Howiesons Poort tradition of engraving ostrich eggshell containers dated to 60,000 years ago at Diepkloof Rock Shelter, South Africa - 2010

Ancient pinnate leaf mimesis among lacewings - 2010

Bellinymphia filicifolia, in Ancient pinnate leaf mimesis among lacewings - 2010

microRNAs reveal the interrelationships of hagfish, lampreys, and gnathostomes and the nature of the ancestral vertebrate - 2010

Bellinympha, in Ancient pinnate leaf mimesis among lacewings - 2010

Bellinympha dancei, in Ancient pinnate leaf mimesis among lacewings - 2010

Episodic radiations in the fly tree of life - 2011

Oxygen isotopes of East Asian dinosaurs reveal exceptionally cold Early Cretaceous climates - 2011

Antemortem trauma and survival in the late Middle Pleistocene human cranium from Maba, South China - 2011

A monodactyl nonavian dinosaur and the complex evolution of the alvarezsauroid hand - 2011

An extinct monkey from Haiti and the origins of the Greater Antillean primates - 2011

A radiation of arboreal basal eutherian mammals beginning in the Late Cretaceous of India - 2011

Resetting the evolution of marine reptiles at the Triassic-Jurassic boundary - 2011

Direct and indirect effects of biological factors on extinction risk in fossil bivalves - 2011

Craniometric ratios of microcephaly and LB1, Homo floresiensis, using MRI and endocasts - 2011

Additional specimen of Microraptor provides unique evidence of dinosaurs preying on birds - 2011

Systematic paleontology, in Early evolution and ecology of camouflage in insects - 2012

Jurassic mimicry between a hangingfly and a ginkgo from China - 2012

Early evolution and ecology of camouflage in insects - 2012

Late middle Eocene primate from Myanmar and the initial anthropoid colonization of Africa - 2012

Exceptionally preserved juvenile megalosauroid theropod dinosaur with filamentous integument from the Late Jurassic of Germany - 2012

Arthropods in amber from the Triassic Period - 2012

Late Jurassic salamandroid from western Liaoning, China - 2012

Archaboilus musicus name, in Wing stridulation in a Jurassic katydid (Insecta, Orthoptera) produced low-pitched musical calls to attract females - 2012

Wing stridulation in a Jurassic katydid (Insecta, Orthoptera) produced low-pitched musical calls to attract females - 2012

Systematic paleontology, in Arthropods in amber from the Triassic Period - 2012

Mass extinction of lizards and snakes at the Cretaceous–Paleogene boundary - 2012

Systematic paleontology, in Thrips pollination of Mesozoic gymnosperms - 2012

Thrips pollination of Mesozoic gymnosperms - 2012

Juracimbrophlebia ginkgofolia taxonomy, in Jurassic mimicry between a hangingfly and a ginkgo from China - 2012

The Recent Species of Granolaria (Gastropoda: Fasciolariidae), with Clarification of the Identity of Murex salmo Wood, 1828 - 2013

Fossil evidence for a hyperdiverse sclerophyll flora under a non–Mediterranean-type climate - 2013

Correction for Longrich et al, Mass extinction of lizards and snakes at the Cretaceous–Paleogene boundary - 2013

Climate change frames debate over the extinction of megafauna in Sahul (Pleistocene Australia-New Guinea) - 2013

Macropredatory ichthyosaur from the Middle Triassic and the origin of modern trophic networks - 2013

Hemoglobin-derived porphyrins preserved in a Middle Eocene blood-engorged mosquito - 2013

Trait-based diversification shifts reflect differential extinction among fossil taxa - 2014

Fossil palm beetles refine upland winter temperatures in the Early Eocene Climatic Optimum - 2014

Early origin of parental care in Mesozoic carrion beetles - 2014

Flight performance of the largest volant bird - 2014

A superarmored lobopodian from the Cambrian of China and early disparity in the evolution of Onychophora - 2015

New tyrannosaur from the mid-Cretaceous of Uzbekistan clarifies evolution of giant body sizes and advanced senses in tyrant dinosaurs - 2016