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Arkarua was named by Gehling (1987) [Sepkoski's age data: V u Sepkoski's reference number: 759]. It is considered to be a form taxon. Its type is Arkarua adami.

It was assigned to Medusae by Sepkoski (2002); to Echinodermata by Fedonkin et al. (2007); and to Pentaradialomorpha by Laflamme et al. (2013).

Synonymy list
YearName and author
1987Arkarua Gehling pp. 339-344 figs. 3-6
2002Arkarua Sepkoski, Jr.
2007Arkarua Fedonkin et al.
2013Arkarua Laflamme et al. p. 561 fig. 1.13

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PentaradialomorphaErwin et al. 2011

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

No diagnoses are available