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

Helminthidium

Anthozoa - Stauriida - Calostylidae

Taxonomy
Helminthidium was named by Lindström (1882) [Sepkoski's age data: S Wenl S Ludl]. It is not extant.

It was assigned to Calostylidae by Hill (1956); and to Rugosa by Sepkoski (2002).

Synonymy list
YearName and author
1882Helminthidium Lindström
1956Helminthidium Hill
2002Helminthidium Sepkoski, Jr.

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

RankNameAuthor
kingdomAnimalia()
Neuralia
phylumCnidariaHatschek 1888
classAnthozoaEhrenberg 1834
subclassRugosa(Milne-Edwards and Haime 1850)
RankNameAuthor
orderStauriidaVerrill 1865
suborderCalostylinaPrantl 1957
superfamilyCalostylicaeZittel 1879
familyCalostylidaeZittel 1879
genusHelminthidiumLindström 1882

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