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Helenia

Hyolithida - Hyolithidae

Taxonomy
Helenia was named by Walcott (1890) [Sepkoski's age data: Cm Atda-u Cm Boto Sepkoski's reference number: 1006]. Its type is Helenia bella.

It was assigned to Hyolithidae by Fisher (1962); and to Hyolithida by Sepkoski (2002).

Species
H. bella (type species)

Synonymy list
YearName and author
1890Helenia Walcott p. 39
1962Helenia Fisher p. 124
2002Helenia Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
—Lophophorata
phylumHyolitha
orderHyolithidaMathew 1962
familyHyolithidaeNicholson 1889
genusHelenia

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.

G. †Helenia Walcott 1890
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†Helenia bella Walcott 1890
Diagnosis
No diagnoses are available