Classification of the genus Plesioptygmatis
Subg. †Nerinea (Plesioptygmatis)
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†Nerinea (Plesioptygmatis) bosei Allison 1955
†Nerinea (Plesioptygmatis) pseudoconvexa Stanton 1947
†Nerinea (Plesioptygmatis) tomasensis Allison 1955