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Xiushuilithus

Trilobita - Trinucleida - Trinucleidae

Taxonomy
Xiushuilithus was named by Zhou (1976) [Sepkoski's age data: O Cara-m O Cara-u Sepkoski's reference number: 875]. It is not extant.

It was assigned to Ptychopariida by Sepkoski (2002); and to Trinucleidae by Jell and Adrain (2002).

Species lacking formal opinion data

Synonymy list
YearName and author
1976Xiushuilithus Zhou
2002Xiushuilithus Jell and Adrain p. 461
2002Xiushuilithus Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderTrinucleida(Swinnerton 1915)
familyTrinucleidaeHawle and Corda 1847
genusXiushuilithusZhou 1976

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. †Xiushuilithus Zhou 1976
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Diagnosis
No diagnoses are available