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Chasmataspidida

Xiphosura - Xiphosurida

Taxonomy
Chasmataspidida was named by Caster and Brooks (1956).

It was assigned to Merostomata by Sepkoski (2002); and to Dekatriata by Lamsdell (2013).

Synonymy list
YearName and author
1956Chasmataspidida Caster and Brooks
2002Chasmataspidida Sepkoski, Jr.
2013Chasmataspidida Lamsdell p. 20

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
subphylumChelicerataHeymons 1901
RankNameAuthor
EuchelicerataWeygoldt and Paulus 1979
Prosomapoda
classXiphosura()
orderXiphosuridaLatreille 1802
Planaterga
Dekatriata
orderChasmataspididaCaster and Brooks 1956
orderChasmataspididaCaster and Brooks 1956

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