The Paleobiology Database

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Hexagonaria

Taxonomy

Hexagonaria was named by Gürich (1896) [Sepkoski's age data: D Give-u D Fras-u Sepkoski's reference number: 680]. It is not extant.

It was assigned to Phillipsastraeinae by Hill (1956); to Hexagonariinae by Hill (1981); and to Rugosa by Sepkoski (2002).

Species lacking formal opinion data

H. approximans, H. inequalis, H. lavali, H. magna, H. marrmini, H. mireillae, H. orientalis, H. playfordi, H. sedgwicki, H. tabulata, H. taurensis

Sister genera

Haplothecia, Marisastrum

Download authority and opinion data - View classification of included taxa

Synonyms

Polyphyllum was named by Fromentel (1861). It is not extant.

It was synonymized subjectively with Hexagonaria by Hill (1956).
Hexagoniophyllum was named by Gürich (1909). It is not extant.

It was synonymized subjectively with Hexagonaria by Hill (1956).

Synonymy list

Year	Name and author
1861	Polyphyllum Fromentel
1896	Hexagonaria Gürich
1909	Hexagoniophyllum Gürich
1956	Hexagonaria Hill
1981	Hexagonaria Hill
2002	Hexagonaria Sepkoski, Jr.

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