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J. Hopson · SciRah

Researcher profile · Semantic Scholar

J. Hopson

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J. Hopson — researcher profile on SciRah

h-index: 33
Works: 65
Citations: 2,900

Most-cited papers

Evolution of the Auditory System in Synapsida (“Mammal-Like Reptiles” and Primitive Mammals) as Seen in the Fossil Record
E. Allin, J. Hopson
1992195 citations
Semantic Scholar
Reconstruction of the cranial vessels in the Early Cretaceous mammal Vincelestes neuquenianus: implications for the evolution of the mammalian cranial vascular system
G. Rougier, J. Wible, J. Hopson
1992152 citations
Semantic Scholar
Endothermy, Small Size, and the Origin of Mammalian Reproduction
J. Hopson
1973American Naturalist145 citations
Semantic Scholar
Ghost lineages and “mammalness”: assessing the temporal pattern of character acquisition in the Synapsida
C. Sidor, J. Hopson
1998Paleobiology138 citations
Semantic Scholar
Basicranial Evidence for Early Mammal Phylogeny
J. Wible, J. Hopson
1993121 citations
Semantic Scholar
Relative Brain Size and Behavior in Archosaurian Reptiles
J. Hopson
1977118 citations
Semantic Scholar
The evolution of cranial display structures in hadrosaurian dinosaurs
J. Hopson
1975Paleobiology117 citations
Semantic Scholar
Basicranial anatomy of Priacodon fruitaensis (Triconodontidae, Mammalia) from the Late Jurassic of Colorado, and a reappraisal of mammaliaform interrelationships. American Museum novitates ; no. 3183
G. Rougier, J. Wible, J. Hopson
1996108 citations
Semantic Scholar
The origin of the mammalian middle ear.
J. Hopson
1966American Zoologist107 citations Open access
Semantic Scholar
A REVISED CLASSIFICATION OF CYNODONTS (REPTILIA; THERAPSIDA)
J. Hopson, J. Kitching
1972105 citations
Semantic Scholar
Independent Origins of Middle Ear Bones in Monotremes and Therians
T. Rich, J. Hopson, A. Musser, T. Flannery +1 more
2005Science102 citations
Semantic Scholar
Synapsid Evolution and the Radiation of Non-Eutherian Mammals
J. Hopson
199482 citations
Semantic Scholar
Homologies of the Prootic Canal in Mammals and Non-mammalian Cynodonts
J. Wible, J. Hopson
199581 citations
Semantic Scholar
Foot posture in a primitive pterosaur
J. Clark, J. Hopson, R. R., D. Fastovsky +1 more
1998Nature71 citations Open access
Semantic Scholar
Late Triassic traversodont cynodonts from Nova Scotia and southern Africa
J. Hopson
198465 citations
Semantic Scholar
Reexamination of the morphological evidence for the cohort Epitheria (Mammalia, Eutheria)
T. Gaudin, J. Wible, J. Hopson, W. Turnbull
1996Journal of mammalian evolution60 citations
Semantic Scholar
Patterns of evolution in the manus and pes of non-mammalian therapsids
J. Hopson
199560 citations
Semantic Scholar
Distinctive mammal-like reptile from Mexico and its bearing on the phylogeny of the Tritylodontidae
J. Clark, J. Hopson
1985Nature59 citations
Semantic Scholar
Braincase structure in the oldest known skull of a therian mammal; implications for mammalian systematics and cranial evolution
J. Hopson, G. Rougier
199358 citations
Semantic Scholar
The septomaxilla of fossil and recent synapsids and the problem of the septomaxilla of monotremes and armadillos
J. Wible, De-Sui Miao, J. Hopson
199058 citations
Semantic Scholar
A primitive anomodont therapsid from the base of the Beaufort Group (Upper Permian) of South Africa
B. Rubidge, J. Hopson
199653 citations Open access
Semantic Scholar
A REDESCRIPTION OF TOXOLOPHOSAURUS CLOUDI OLSON, A LOWER CRETACEOUS HERBIVOROUS SPHENODONTID REPTILE
G. Throckmorton, J. Hopson, P. Parks
198153 citations
Semantic Scholar
THE ORIGIN AND ADAPTIVE RADIATION OF MAMMAL‐LIKE REPTILES AND NONTHERIAN MAMMALS *
J. Hopson
196953 citations
Semantic Scholar
Dentary-Squamosal Joint and the Origin of Mammals
Herbert R. Barghusen, J. Hopson
1970Science46 citations
Semantic Scholar
Anatomy and Phylogenetic Relationships of Boreogomphodon jeffersoni (Cynodontia: Gomphodontia) from the Upper Triassic of Virginia
H. Sues, J. Hopson
201044 citations
Semantic Scholar
DEPOSITIONAL ENVIRONMENTS OF A MIDDLE JURASSIC TERRESTRIAL VERTEBRATE ASSEMBLAGE, HUIZACHAL CANYON, MEXICO
D. Fastovsky, J. Clark, N. Strater, M. Montellano +2 more
199544 citations Open access
Semantic Scholar
The Classification of Nontherian Mammals
J. Hopson
197043 citations
Semantic Scholar
The mandible and dentition of the Early Cretaceous monotreme Teinolophos trusleri
T. Rich, J. Hopson, P. Gill, P. Trusler +18 more
201639 citations
Semantic Scholar
A new anomodont therapsid from South Africa and its bearing on the ancestry of Dicynodontia
B. Rubidge, J. Hopson
199037 citations
Semantic Scholar
Origin of Mammals
J. Hopson
200735 citations
Semantic Scholar
Cricodon metabolus (cynodontia: Gomphodontia) from the Triassic Ntawere Formation of Northeastern Zambia: Patterns of Tooth replacement and a Systematic Review of the Trirachodontidae
C. Sidor, J. Hopson
2017Journal of Vertebrate Paleontology34 citations
Semantic Scholar
A NEW BURNETIAMORPH THERAPSID FROM THE TEEKLOOF FORMATION, PERMIAN, OF SOUTH AFRICA
C. Sidor, J. Hopson, A. Keyser
200434 citations
Semantic Scholar
Affinities of ?Scalenodontoides plemmyridon Hopson, 1984 (Synapsida: Cynodontia) from the Upper Triassic of Nova Scotia
H. Sues, J. Hopson, N. Shubin
199234 citations
Semantic Scholar
Tooth function and replacement in early Mesozoic ornithischian dinosaurs: implications for aestivation
J. Hopson
198034 citations
Semantic Scholar
Morphology and relationships of Gomphodontosuchus brasiliensis von Huene (Synapsida, Cynodontia, Tritylodontoidea) from the Triassic of Brazil
J. Hopson
198533 citations
Semantic Scholar
The Mammal-Like Reptiles: A Study of Transitional Fossils
J. Hopson
198731 citations
Semantic Scholar
TOOTH REPLACEMENT IN CYNODONT, DICYNODONT AND THEROCEPHALIAN REPTILES
J. Hopson
200928 citations
Semantic Scholar
The Role of Foraging Mode in the Origin of Therapsids: Implications for the Origin of Mammalian Endothermy
J. Hopson
201227 citations
Semantic Scholar
Late Early Jurassic Mammaliaforms from Huizachal Canyon, Tamaulipas, México
M. Montellano, J. Hopson, J. Clark
200827 citations
Semantic Scholar
A traversodont cynodont from the Middle Triassic (Ladinian) of Baden-Württemberg (Germany)
J. Hopson, H. Sues
200627 citations
Semantic Scholar
The cryptic jugal of multituberculates
J. Hopson, Z. Kielan-Jaworowska, E. Allin
198926 citations
Semantic Scholar
The Traversodontid Cynodont Mandagomphodon hirschsoni from the Middle Triassic of the Ruhuhu Valley, Tanzania
J. Hopson
201424 citations
Semantic Scholar
A juvenile gomphodont cynodont specimen from the Cynognathus Assemblage Zone of South Africa: implications for the origin of gomphodont postcanine morphology
J. Hopson
200520 citations
Semantic Scholar
THE BRAINCASE OF THE ADVANCED MAMMAL-LIKE REPTILE BIENOTHERIUM
J. Hopson
200916 citations
Semantic Scholar
PSEUDODONTORNIS AND OTHER LARGE MARINE BIRDS FROM THE MIOCENE OF SOUTH CAROLINA
J. Hopson
196416 citations
Semantic Scholar
Vertebrate paleontology: new approaches and new insights
J. Hopson, L. Radinsky
1980Paleobiology14 citations
Semantic Scholar
Comments on the Competitive Inferiority of the Multituberculates
J. Hopson
196712 citations
Semantic Scholar
Response to Comments on "Independent Origins of Middle Ear Bones in Monotremes and Therians"
Thomas H. Rich, J. Hopson, A. Musser, T. Flannery +1 more
2005Science7 citations
Semantic Scholar
The functional significance of the hypocercal tail and lateral fin fold of Anaspid ostracoderms / James A. Hopson --.
J. Hopson
19747 citations Open access
Semantic Scholar
Hot-, Cold-, or Lukewarm-blooded Dinosaurs?
J. Hopson
1976Paleobiology3 citations
Semantic Scholar

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