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Authors |
Year |
Title |
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Frebold |
1932 |
Marines Unterperm in Ostgrönland und die Frage der Grenzziehung zwischen dem pelagischen Oberkarbon und Unterperm.
Medd. Gronld. ud. Komm. vid. und. Gronld., 84 (4): 1-35, fig.1-4, pl.1; Kobnhaven.
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Furnish |
1966 |
Ammonoids of the Upper Permian Cyclolobus-Zone.
Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen, 125: 265-296, 4 figs., 2 tabl., Stuttgart
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Furnish & Glenister |
1970 |
Permian Ammonoid Cyclolobus from the Salt Range, West Pakistan in Kummel,B. & Teichert,C. (eds): Stratigraphic boundary problems: Permian and Triassic of West Pakistan.
University of Kansas Department of Geology Special Publication 4: 153-175, fig.1,2, tab.1,2, pl.1-4.
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Miller & Furnish |
1940d |
Cyclolobus from the Permian of Eastern Greenland.
Medd. Gronland, 112 (5): 3-8, fig.1-3, pl.1; Kobenhavn.
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Nassichuk, Furnish & Glenister |
1965 |
The Permian ammonoids from Arctic Canada.
Bulletin of the Geological Survey of Canada, 131: 1-56, fig.1-17, tab.1-7, pl.1-5; Ottawa.
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Waterhouse |
1972 |
The evolution, correlation, and paleogeographic significance of the Permian ammonoid family Cyclolobidae.
Lethaia, 5 (3): 251-270, fig.1-6; Oslo.
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