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Ptychopyginae

Trilobita - Asaphida - Asaphidae

Taxonomy
Ptychopyginae was named by Balashova (1964).

It was assigned to Asaphidae by Fortey (1975).

Synonymy list
YearName and author
1964Ptychopyginae Balashova
1975Ptychopyginae Fortey

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
subclassLibristoma
orderAsaphidaSalter 1864
superfamilyAsaphoideaSalter 1864
familyAsaphidaeBurmeister 1843
subfamilyPtychopyginaeBalashova 1964
subfamilyPtychopyginaeBalashova 1964

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. †Ptychopyginae Balashova 1964
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G. †Eisarkaspis Laurie 2006
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†Eisarkaspis etheridgei Laurie 2006
†Eisarkaspis irritans Fortey and Shergold 1984
G. †Madiganaspis Laurie 2006
G. †Paraptychopyge Balashova 1964
Diagnosis
No diagnoses are available