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Taxon:
Genus †"
Helenia
"
Walcott, 1889, nom. nud.
(mollusc)
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Hierarchy
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Entity:
†Hyolithida (Order)
..†Dilytes (Genus)
..†Diplotheca (Genus)
..†Elegantilites (Genus)
..†Eumorpholites (Genus)
..†Gompholites (Genus)
..†Helenia (Genus)
..†Hyolithes (Genus)
..†Hyolithidae (Family)
..†Hyptiotheca (Genus)
..†Joachimilites (Genus)
..†Maxilites (Genus)
..†Microcornus (Genus)
..†Nevadalites (Genus)
..†Parkula (Genus)
..[†Helenia] (Genus)
Authorship
Original name
:
Walcott, 1889. Amer. J. Sci., (3) 37, 389.
Attributes
Nomen nudum (nom. nud.) [ICZN, 1999: Arts. 12 [before 1931], 13 [after 1930], G]
Ref:
S.A. Neave (ed.), [2005].
Nomencl. Zool.
: [19 Dec 2008] ("[n.n.]").
Variants
Available name
:
†
Helenia
(Genus)
Walcott, 1889
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 (unavailable)
:
Helenia
(Genus)
Saunders, 1957, nom. illeg.
Ref:
S.A. Neave (ed.), [2005]
: [19 Dec 2008].
©2004-2024 Universal Taxonomic Services
Last updated:
1 Feb 2024