Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy   Age range and collections

Seisonia

Trilobita - Phacopida - Pilekiidae

Taxonomy
Seisonia was named by Kobayashi (1934) [Sepkoski's age data: O l]. It is not extant. Its type is Seisonia sphericauda.

It was assigned to Phacopida by Sepkoski (2002); and to Pilekiidae by Jell and Adrain (2003).

Synonymy list
YearName and author
1934Seisonia Kobayashi
2002Seisonia Sepkoski, Jr.
2003Seisonia Jell and Adrain p. 443

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
familyPilekiidaeSdzuy 1955
genusSeisoniaKobayashi 1934

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