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Cylindrophyllum
Taxonomy
Cylindrophyllum was named by Simpson (1900) [Sepkoski's age data: D Emsi D Give-u]. It is not extant.
It was assigned to Phillipsastraeinae by Hill (1956); to Cylindrophyllinae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Phillipsastraeinae by Hill (1956); to Cylindrophyllinae by Hill (1981); and to Rugosa by Sepkoski (2002).
Species lacking formal opinion data