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Prohexagonaria
Taxonomy
Prohexagonaria was named by Merriam (1973) [Sepkoski's age data: S Wenl-l S Prid]. It is not extant.
It was assigned to Entelophyllidae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Entelophyllidae by Hill (1981); and to Rugosa by Sepkoski (2002).