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Kobayashi, T.; Tamura, M. (1957). Additional new genera and species of trigonians from the Jurassic of Soma, North Japan. Studies on the Jurassic Trigonians in Japan, Part VI. Japanese Journal of Geology and Geography. 28: 35-41.
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Kobayashi, T.; Tamura, M.
1957
Additional new genera and species of trigonians from the Jurassic of Soma, North Japan. Studies on the Jurassic Trigonians in Japan, Part VI
Japanese Journal of Geology and Geography
28: 35-41
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Ibotrigonia T. Kobayashi, 1957 † (original description)
Ibotrigonia masatanii T. Kobayashi & Tamura, 1957 † (original description)
Latitrigonia T. Kobayashi, 1957 † (original description)
Latitrigonia pyramidalis T. Kobayashi & Tamura, 1957 † (original description)
Latitrigonia unicarinata T. Kobayashi & Tamura, 1957 † (original description)
Latitrigonia unituberculata T. Kobayashi & Tamura, 1957 † (original description)
Scaphotrigonia somensis T. Kobayashi & Tamura, 1957 † accepted as Niranohamella somensis (T. Kobayashi & Tamura, 1957) † (original description)
Vaugonia awazuensis T. Kobayashi, 1957 † (original description)
Ibotrigonia masatanii T. Kobayashi & Tamura, 1957 † (original description)
Latitrigonia T. Kobayashi, 1957 † (original description)
Latitrigonia pyramidalis T. Kobayashi & Tamura, 1957 † (original description)
Latitrigonia unicarinata T. Kobayashi & Tamura, 1957 † (original description)
Latitrigonia unituberculata T. Kobayashi & Tamura, 1957 † (original description)
Scaphotrigonia somensis T. Kobayashi & Tamura, 1957 † accepted as Niranohamella somensis (T. Kobayashi & Tamura, 1957) † (original description)
Vaugonia awazuensis T. Kobayashi, 1957 † (original description)
