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Tamura, M. (1978). A new species of Pterotrigonia from Upper Cretaceous Onogawa Group, Japan. Memoirs of the Faculty of Education, Kumamoto University, Natural Science. 27: 81-84.
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Tamura, M.
1978
A new species of <i>Pterotrigonia</i> from Upper Cretaceous Onogawa Group, Japan
Memoirs of the Faculty of Education, Kumamoto University, Natural Science
27: 81-84
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Pterotrigonia (Pterotrigonia) kofujiensis Tamura, 1978 † accepted as Metacanthotrigonia kofujiensis (Tamura, 1978) † (original description)