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Taxon:
Genus †
Helenia
Walcott, 1889
(mollusc)
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Hierarchy
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Entity:
†Hyolithida (Order)
..†Dilytes (Genus)
..†Diplotheca (Genus)
..†Elegantilites (Genus)
..†Eumorpholites (Genus)
..†Gompholites (Genus)
..†Hyolithes (Genus)
..†Hyolithidae (Family)
..†Hyptiotheca (Genus)
..†Joachimilites (Genus)
..†Maxilites (Genus)
..†Microcornus (Genus)
..†Nevadalites (Genus)
..†Parkula (Genus)
..†Helenia (Genus)
Authorship
Unavailable original name
:
Walcott, 1889. Amer. J. Sci., (3) 37, 389.
Original name
:
Walcott, 1889. Proc. U.S. nat. Mus., 12, 39.
Variants
Unavailable name
:
†
Helenia
(Genus)
Walcott, 1889, nom. nud.
Ref:
S.A. Neave (ed.), [2005]
: [19 Dec 2008].
Homonyms
Senior homonym (allowed)
:
Helenia
(Genus)
nom. inval.
Ref:
S.J. Brands (comp.), 1989-present
: 3 Dec 2015.
Junior homonym
:
Helenia
(Genus)
Saunders, 1957, nom. illeg.
Ref:
S.A. Neave (ed.), [2005]
: [19 Dec 2008].
©2004-2025 Universal Taxonomic Services
Last updated:
21 Sep 2025