Kết quả tìm kiếm

1

Trilobites from the Survey Peak, Outram, and Skoki formations (Upper Cambrian-Lower Ordovician) at Wilcox Pass, Jasper National Park, Alberta /

Bằng Dean, William Thornton
[Ottawa? Canada] : Energy, Mines and Resources Canada, 1989

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2

The Ordovician system in Australia, New Zealand and Antarctica : correlation chart and explanatory notes /

Paris : International Union of Geological Sciences, 1981

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3

Stratigraphic and paleogeographic significance of an upper Ordovician acritarch flora from the Maquoketa Shale, northeastern Missouri, U.S.A. /

Bằng Wicander, Reed, 1946-
Lawrence, Kan. : The Paleontological Society : Allen Press, 1999

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4

The Ordovician system in China : correlation chart and explanatory notes /

Bằng Sheng, Shen-Fu
Ottawa : International Union of Geological Sciences, 1980

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5

Silicified Upper Ordovician--Lower Silurian ostracodes from the Avalanche Lake area, southwestern District of Mackenzie /

Bằng Copeland, M. J. (Murray John), 1928-
Ottawa, Canada : Energy, Mines and Resources Canada, 1989

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6

The Ordovician system in Canada : correlation chart and explanatory text/

Bằng Barnes, Christopher R.
Ottawa : International Union of Geological Sciences, 1981

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7

Protopanderodus (Conodontata) from the Ordovician Road River Group northern Yukon Territory and the evolution of the genus /

Bằng McCracken, Alexander D.
[Ottawa, Ont.] : Energy, Mines, and Resources Canada, 1989

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8

Middle Ordovician echinoderms from northern Illinois and southern Wisconsin /

Bằng Kolata, Dennis R.
[Tulsa, Okla.] : Paleontological Society, 1975

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9

Stratigraphy of the Garden City Formation in northeastern Utah, and its trilobite faunas /

Bằng Ross, Reuben James, 1918-
New Haven, Conn. : The Peobody Museum of Natural History, Yale University, 1951

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10

Stratigraphy of Lower Ordovician Stonehenge and Larke formations in central Pennsylvania /

Bằng Donaldson, Alan Chase
[University Park, Pa.] : [Pennsylvania State University], 1959

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11

The Paxton Group of southeastern New England /

Bằng Barosh, Patrick J. (Patrick James), 1936-
Washington, D.C. : Denver, CO : U.S. G.P.O. ; For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1989

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12

Ordovician Rhynchonelliformean Brachiopods from Co. Waterford, SE Ireland : Palaeobiogeography of the Leinster Terrane /

Bằng Liljeroth, Maria
Chichester, West Sussex : John Wiley & Sons, Incorporated, 2017

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13

The morphology and taxonomy of the Halysitidae /

Bằng Buehler, Edward J.
New Haven, Connecticut : The Peabody Museum of Natural History, Yale University, 1955

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14

Stratigraphy of the Lower Ordovician Axemann Limestone of central Pennsylvania,

Bằng Lees, John A.
Harrisburg, [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1967

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15

Ultrastructural studies on graptolites

Bằng Urbanek, Adam, Towe, Kenneth M.
Washington, Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.] 1974

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16

Ordovician and Silurian graptolite succession in the Trail Creek area, central Idaho--a graptolite zone reference section /

Bằng Carter, Claire
Washington : U.S. Govt. Print. Off., 1977

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17

Lithostratigraphy of the Middle Ordovician Salona and Coburn formations in central Pennsylvania.

Bằng Thompson, Richard Rogers
Harrisburg, [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey] 1963

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18

Fossils in Ordovician tuffs, northeastern Maine /

Bằng Neuman, Robert B., 1920-
Washington : U.S. Govt. Print. Off., 1964

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19

Stratigraphy of the Cambrian to Middle Ordovician rocks of central and western Pennsylvania,

Bằng Wagner, Walter Richard, 1928-1974
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1966

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20

Some silicified Middle Ordovician brachiopods from Kentucky,

Bằng Neuman, Robert B., 1920-
Washington, U.S. Govt. Print. Off., 1967

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