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Authors |
Year |
Title |
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Ehiro & Misaki |
2005 |
Middle Permian ammonoids from the Kamiyasse-Imo district in the Southern Kitakami Massif, Northeast Japan.
Paleontological Research, 9: 1-14, 9 fig.
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|
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Ehiro |
2008 |
Two genera of Popanoceratidae (Permian Ammonoidea) from the South Kitakami, Northeast Japan,with a note on the age of the Takakurayama Formation in the Abukuma Massif.
Bulletin Tohoku Univ. Museum 8:1-8
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|
Furnish |
1973 |
Permian stage names. In: A.Logan & L.V. Hills [eds.], The Permian and Triassic Systems and Their Mutual Boundary.
Canadian Society of Petroleum Geologists, Memoir 2: 522-548, 2 figs., Calgary.
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|
|
Glenister & Furnish |
1987 |
New Permian representatives of ammonoid superfamilies Marathonitaceae and Cyclolobaceae.
Journal of Paleontology, 61 (5): 982-998, fig.1-4, 1tab.; Lawrence, Kansas.
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