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Ketyna

Trilobita - Ptychopariida - Eulomidae

Taxonomy
Ketyna was named by Rozova (1963) [Sepkoski's age data: Cm Fran-u O Trem Sepkoski's reference number: 483,618]. It is not extant. Its type is Ketyna ketiensis.

It was synonymized subjectively with Kujandaspis by Jell and Adrain (2003).

It was assigned to Ptychopariida by Sepkoski (2002); and to Eulomidae by Zhou and Zhen (2008).

Synonymy list
YearName and author
1963Ketyna Rozova
2002Ketyna Sepkoski, Jr.
2008Ketyna Zhou and Zhen

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderPtychopariidaSwinnerton 1915
familyEulomidaeKobayashi 1955
genusKetynaRozova 1963

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.

Diagnosis
No diagnoses are available