Foraminifera source details
Hanzawa, S. (1931): Notes on Tertiary foraminiferous rocks from the Kwanto mountainland, Japan. Science Reports of the Tohoku Imperial University, 2nd Series, Geology, vol.12, no.2, pp.141-157, pls.24-26.
半澤 正四郎 1931：東北帝国大学理科報告．地質学, vol.12, no.2, pp.141-157, pls.24-26.
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Hanzawa, S. (1931): Notes on Tertiary foraminiferous rocks from the Kwanto mountainland, Japan. Science Reports of the Tohoku Imperial University, 2nd Series, Geology, vol.12, no.2, pp.141-157, pls.24-26.
半澤 正四郎 1931：東北帝国大学理科報告．地質学, vol.12, no.2, pp.141-157, pls.24-26.
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Lepidocyclina (Amphilepidina) nipponica Hanzawa, 1931 † accepted as Lepidocyclina (Nephrolepidina) nipponica Hanzawa, 1931 † (original description)
Miogypsina kotoi Hanzawa, 1931 † (original description)
Miogypsina ozawai Hanzawa, 1931 † (original description)
Miogypsina yabei Hanzawa, 1931 † (original description)
Miogypsina kotoi Hanzawa, 1931 † (original description)
Miogypsina ozawai Hanzawa, 1931 † (original description)
Miogypsina yabei Hanzawa, 1931 † (original description)