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Xiphelasma

Anthozoa - Cystiphyllida - Holmophyllidae

Taxonomy
Xiphelasma was named by Smith and Lang (1931) [Sepkoski's age data: S Wenl S Ludl Sepkoski's reference number: 1240]. It is not extant.

It was assigned to Holmophyllidae by Hill (1981); and to Rugosa by Sepkoski (2002).

Synonymy list
YearName and author
1931Xiphelasma Smith and Lang
1981Xiphelasma Hill
2002Xiphelasma Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Neuralia
phylumCnidariaHatschek 1888
classAnthozoaEhrenberg 1834
RankNameAuthor
subclassRugosa(Milne-Edwards and Haime 1850)
orderCystiphyllidaNicholson 1889
familyHolmophyllidaeWang 1947
genusXiphelasmaSmith and Lang 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