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Ehiro & Bando |
1985 |
Late Permian ammonoids from the Southern Kitakami Massif, Northeast Japan.
Transactions and Proceedings of the Palaeontological Society of Japan, N.S., 137: 25-49, fig.1-9, tab.1-8, pl.5-7; Tokyo.
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Ehiro |
1998 |
Permian ammonoid fauna of the Kitakami Massif, Northeast Japan. Biostratigraphy and Paleobiogeography.
Permian Stratigraphy, Environments and Resources, 2, Palaeoworld, 9: 113-122, 4 figs.
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