Results 181 to 190 of about 72,467 (243)
Elemental logging evidence for paleoenvironmental reconstruction of the ordovician strata in the Western Ordos basin, China. [PDF]
Sci RepZhao Z +6 more
europepmc +1 more source
Life histories of straight-tusked elephants from the Last Interglacial Neanderthal site of Neumark-Nord (~125 ka). [PDF]
Sci AdvArmaroli E +11 more
europepmc +1 more source
Erzgebirge - Proterozoic to Paleozoic basement and Paleozoic evolution
, 1994 Frischbutter, A. +5 more
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Science, 1983
Paleozoic paleogeographies should be consistent with all available, reliable data. However, comparison of three different Devonian paleogeographies that are based largely or wholly on the data of remanent magnetism show them to be inconsistent in many regards.
A J, Boucot, J, Gray
exaly +3 more sources
Paleozoic paleogeographies should be consistent with all available, reliable data. However, comparison of three different Devonian paleogeographies that are based largely or wholly on the data of remanent magnetism show them to be inconsistent in many regards.
A J, Boucot, J, Gray
exaly +3 more sources
Biosystems, 1991
The approximately 300 million years that make up Paleozoic time saw the evolution of eight of the fifteen recognized suborders of Foraminifera. Of the suborders present in the Paleozoic, seven are morphologically relatively simple, slowly evolving, and continued into Mesozoic and Cenozoic times to become the ancestoral lineages from which evolved ...
C A, Ross, J R, Ross
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The approximately 300 million years that make up Paleozoic time saw the evolution of eight of the fifteen recognized suborders of Foraminifera. Of the suborders present in the Paleozoic, seven are morphologically relatively simple, slowly evolving, and continued into Mesozoic and Cenozoic times to become the ancestoral lineages from which evolved ...
C A, Ross, J R, Ross
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Science, 1973
Seeds in a conifer cone from the Lower Permian of west Texas contain embryo tissue. These are the oldest plant embryos on record. Their development prior to seed dispersal shows that the sequence of embryo growth typical of most modern seed plants had evolved before the end of the Paleozoic Era.
C N, Miller, J T, Brown
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Seeds in a conifer cone from the Lower Permian of west Texas contain embryo tissue. These are the oldest plant embryos on record. Their development prior to seed dispersal shows that the sequence of embryo growth typical of most modern seed plants had evolved before the end of the Paleozoic Era.
C N, Miller, J T, Brown
openaire +2 more sources
Science, 1964
An unusually well-preserved Ordovician fossil from Czechoslovakia shows that the enigmatic paired structures once thought to be outgrowths of the operculum of Hyolithes are really independent structures lying between the operculum and the aperture of the shell.
L, Marek, E L, Yochelson
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An unusually well-preserved Ordovician fossil from Czechoslovakia shows that the enigmatic paired structures once thought to be outgrowths of the operculum of Hyolithes are really independent structures lying between the operculum and the aperture of the shell.
L, Marek, E L, Yochelson
openaire +2 more sources
Science, 1965
A Silurian, and perhaps Devonian, limestone belt in northern West Pakistan contains the first Paleozoic reefs found on the Indo-Pakistan subcontinent. The belt contains a rich fauna entirely new to Pakistan. Its presence indicates that this area was inundated in Silurian and Devonian times by seas bordered by reefs or containing reef platforms.
C, Teichert, K W, Stauffer
openaire +2 more sources
A Silurian, and perhaps Devonian, limestone belt in northern West Pakistan contains the first Paleozoic reefs found on the Indo-Pakistan subcontinent. The belt contains a rich fauna entirely new to Pakistan. Its presence indicates that this area was inundated in Silurian and Devonian times by seas bordered by reefs or containing reef platforms.
C, Teichert, K W, Stauffer
openaire +2 more sources
Notes for a Short Course: Studies in Geology, 1980
In accordance with the stated purpose of this short course to bring non-specialists up to date on advances in echinoderm paleontology, these notes build on what may be considered common knowledge of the Paleozoic Asterozoa. They are intended to be additions to information available in most paleontology textbooks and to update and comment on information
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In accordance with the stated purpose of this short course to bring non-specialists up to date on advances in echinoderm paleontology, these notes build on what may be considered common knowledge of the Paleozoic Asterozoa. They are intended to be additions to information available in most paleontology textbooks and to update and comment on information
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1987
Abstract Several significant sections of Paleozoic and Mesozoic rocks occur in close proximity to one another at the foot of the Front Range west of Denver. The Paleozoic section on the east flank of the central Front Range is well exposed in Red Rocks Park.
Robert J. Weimer, L. W. Le Roy
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Abstract Several significant sections of Paleozoic and Mesozoic rocks occur in close proximity to one another at the foot of the Front Range west of Denver. The Paleozoic section on the east flank of the central Front Range is well exposed in Red Rocks Park.
Robert J. Weimer, L. W. Le Roy
openaire +1 more source