The Taxonomicon
Entity by Scientific Name
Entity by Epithet
Entity by Identifier
Entity by Common Name
Taxon by Scientific Name (above family group)
Taxon by Scientific Name (family group)
Taxon by Scientific Name (genus group)
Taxon by Scientific Name (species group)
Taxon by Scientific Name (below species group)
Taxon by Authorship
Object by Name
Object by Number
Phenomenon by Name
Homonym
Topic
Person by Last Name / Standard Form
Organization by Name / Abbreviation
Reference by Year
Reference by Title
Home
Site map
|
Contact
Taxon:
Genus †
Helenia
Walcott, 1889
(mollusc)
Taxa
Advanced Search
Entity
Show Invalid Names
Show Alternatives
Bookmarks
Set Bookmark
Go to Bookmark
Hierarchy
Nomenclature
Taxonomy
Properties
Relationships
Bibliography
Links
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].
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026