Classification of the genus Trominina
G. †Trominina Oyama and Mizuno 1958
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†Trominina angasiana Yokoyama 1932
†Trominina bicordata Hatai and Matsui 1951
†Trominina ezoana Takeda 1953
†Trominina hokkaidoensis Hayasaka and Uozumi 1951
†Trominina ishikariensis Hayasaka and Matsui 1951
†Trominina japonica Takeda 1953
†Trominina onnaica Yokoyama 1932
†Trominina umbelliformis Hayasaka and Uozumi 1954