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Taxon:
Genus †
Helmetia
Walcott, 1918
(arthropod)
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Entity:
†Helmetiidae (Family)
..†Kuamaia (Genus)
..†Rhombicalvaria (Genus)
..†Skioldia (Genus)
..†Helmetia (Genus)
....†Helmetia expansa (Species)
Authorship
Original name
:
Walcott, 1918. Smithson. misc. Coll., 68, no. 12, 7.
Types
Type of
:
†
Helmetiida
([unranked])
Novozhilov, 1969
Type of
:
†
Helmetiida
(Order)
Novozhilov, 1969
Type of
:
†
Helmetiidae
(Family)
Simonetta & Delle Cave, 1975
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026