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Akiyosiphyllum
Taxonomy
Akiyosiphyllum was named by Yabe and Sugiyama (1942) [Sepkoski's age data: C Vise]. It is not extant.
It was assigned to Lithostrotioninae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Lithostrotioninae by Hill (1981); and to Rugosa by Sepkoski (2002).