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Trigonyangaspis

Trilobita - Ptychopariida - Ptychopariidae

Taxonomy
Trigonyangaspis was named by Jell and Adrain (2002). It is not extant.

It was assigned to Ptychopariidae by Jell and Adrain (2002).

Species

Synonyms
Synonymy list
YearName and author
1993Trigonaspis Yang et al.
2002Trigonyangaspis Jell and Adrain

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyPtychopariidaeMatthew 1887
genusTrigonyangaspis

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.

G. †Trigonyangaspis Jell and Adrain 2002
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Trigonyangaspis hujiaensis Yang et al. 1993
Invalid names: Trigonaspis Yang et al. 1993 [replaced]
Diagnosis
No diagnoses are available