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Mackenziephyllum
Taxonomy
Mackenziephyllum was named by Pedder (1971) [Sepkoski's age data: D Eife D Give Sepkoski's reference number: 422]. It is not extant.
It was assigned to Cystiphyllidae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Cystiphyllidae by Hill (1981); and to Rugosa by Sepkoski (2002).