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Beckwithia

Xiphosura - Aglaspida - Beckwithiidae

Taxonomy
Beckwithia was named by Resser (1931) [Sepkoski's age data: Cm uMid Cm Dres-l].

It was assigned to Beckwithiidae by Størmer (1955); and to Merostomata by Sepkoski (2002).

Species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1931Beckwithia Resser
1955Beckwithia Størmer p. 14
2002Beckwithia Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumChelicerataHeymons 1901
EuchelicerataWeygoldt and Paulus 1979
Prosomapoda
classXiphosura()
orderAglaspidaWalcott 1911
familyBeckwithiidaeRaasch 1939
genusBeckwithiaResser 1931

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