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Tretaspidinae (disused)

Artiopoda - Trinucleida - Trinucleidae

Taxonomy
Tretaspidinae was named by Whittington (1941). It is not extant.

It was assigned to Trinucleidae by Harrington and Leanza (1957).

Synonymy list
YearName and author
1941Tretaspidinae Whittington
1957Tretaspidinae Harrington and Leanza

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
RankNameAuthor
classArtiopodaHou and Bergstrom
classTrilobitaWalch 1771
subclassLibristoma
orderTrinucleida(Swinnerton 1915)
familyTrinucleidaeHawle and Corda 1847
subfamilyTretaspidinaeWhittington 1941
subfamilyTretaspidinaeWhittington 1941

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.

Subfm. †Tretaspidinae Whittington 1941
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Diagnosis
No diagnoses are available