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Sergius Harry Mamay
Observed names:
Mamay, S H,
Mamay, Sergius H,
Mamay, Sergius H., 1920-,
S H Mamay,
S. H. Mamay,
S.H. Mamay,
SERGIUS H. MAMAY,
Sergius H. Mamay,
Sergius Mamay,
Sergius H. Mamay
show all 10
Observed institutions:
Smithsonian Institution,
United States Geological Survey,
National Museum of Natural History,
University of Münster,
University of Cambridge
OpenAlex ID:
A5073262153
An Early Permian Flora With Late Permian and Mesozoic Affinities From North-central Texas
2001
·
William A. DiMichele
, Sergius H. Mamay
, et al.
·
Journal of Paleontology
·
119
Paleozoic origin of the cycads
1976
·
Sergius Harry Mamay
·
USGS professional paper
·
100
PDF
Some American Carboniferous Fern Fructifications
1950
·
Sergius Harry Mamay
·
Annals of the Missouri Botanical Garden
·
97
Cycads: Fossil Evidence of Late Paleozoic Origin
1969
·
Sergius H. Mamay
·
Science
·
74
Occurrence and significance of marine animal remains in American coal balls
1962
·
S.H. Mamay
, E.L. Yochelson
·
USGS professional paper
·
51
PDF
Archaeocalamites Lazarii, Sp. Nov.: the Range of Archaeocalamitaceae Extended From the Lowermost Pennsylvanian to the Mid‐lower Permian
1991
·
Sergius H. Mamay
, Richard M. Bateman
·
American Journal of Botany
·
48
Foliar Morphology and Anatomy of the Gigantopterid Plant Delnortea Abbottiae, From the Lower Permian of West Texas
1988
·
Sergius H. Mamay
, John M. Miller
, et al.
·
American Journal of Botany
·
46
PDF
The Enigmatic Paleozoic plants Spermopteris and Phasmatocycas reconsidered
2003
·
Brian J. Axsmith
, Rudolph Serbet
, et al.
·
American Journal of Botany
·
40
Evolsonia, a New Genus of Gigantopteridaceae From the Lower Permian Vale Formation, North‐central Texas
1989
·
Sergius H. Mamay
·
American Journal of Botany
·
38
Upper Paleozoic floral zones and floral provinces of the United States, with a glossary of stratigraphic terms
1964
·
Charles Brian Read
, Sergius H. Mamay
, et al.
·
USGS professional paper
·
38
PDF
Auritifolia gen. nov., Probable Seed Plant Foliage with Comioid Affinities from the Early Permian of Texas, U.S.A.
2009
·
Dan S. Chaney
, Sergius H. Mamay
, et al.
·
International Journal of Plant Sciences
·
31
New species of Gigantopteridaceae from the lower Permian of Texas
1986
·
S H Mamay
·
Phytologia
·
29
PDF
Biscalitheca, a New Genus of Pennsylvanian Coenopterids, Based on Its Fructification
1957
·
Sergius H. Mamay
·
American Journal of Botany
·
28
Sphenopteridium and Telangiopsis in a Diplopteridium‐like Association From the Virgilian (upper Pennsylvanian) of New Mexico
1992
·
Sergius H. Mamay
·
American Journal of Botany
·
25
Russellites, new genus, a problematical plant from the lower Permian of Texas
1968
·
S.H. Mamay
·
USGS professional paper
·
25
PDF
An Epiphytic American Species of Tubicaulis Cotta1
1952
·
SERGIUS H. MAMAY
·
Annals of Botany
·
24
A New American Species of Bowmanites
1951
·
Henry N. Andrews,
, Sergius H. Mamay
·
Botanical Gazette
·
23
Archaeocycas and Phasmatocycas - new genera of Permian cycads
1973
·
Sergius H. Mamay
·
Journal research U. S. geological survey
·
22
A Contribution to Our Knowledge of the Anatomy of Botryopteris
1950
·
Sergius H. Mamay
, Henry N. Andrews
·
Bulletin of the Torrey Botanical Club
·
22
Comia, a Seed Plant Possibly of Peltaspermous Affinity: A Brief Review of the Genus and Description of Two New Species from the Early Permian (Artinskian) of Texas, C. greggii sp. nov. and C. craddockii sp. nov.
2009
·
Sergius H. Mamay
, Dan S. Chaney
, et al.
·
International Journal of Plant Sciences
·
20
A Devonian lycopod stem with well-preserved cortical tissues
1971
·
Andrews, Henry N
, Read, Charles B
, et al.
·
Biodiversity Heritage Library (Smithsonian Institution)
·
20
Tinsleya, a new genus of seed-bearing callipterid plants from the Permian of north-central Texas
1966
·
Sergius H. Mamay
·
USGS professional paper
·
20
PDF
Age of plant fossils from the Worcester coal mine, Worcester, Massachusetts
1970
·
E. S. Grew
, S. H. Mamay
, et al.
·
American Journal of Science
·
19
PDF
Lower Devonian land plants from graptolitic shale in south-eastern Alaska
1969
·
Churkin, Michael
, Eberlein, G Donald
, et al.
·
Biodiversity Heritage Library (Smithsonian Institution)
·
18
A New Sphenopsid Cone from Iowa1
1954
·
SERGIUS H. MAMAY
·
Annals of Botany
·
18
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Works count:
58
Citation count:
1,221
H-index:
20
I10-index:
36
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