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


Anthozoa - Stauriida - Streptelasmatidae

Crassilasma was named by Ivanovskiy (1962) [Sepkoski's age data: O Ashg-l S Ldov-m Sepkoski's reference number: 651]. It is not extant.

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

Species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1962Crassilasma Ivanovskiy
1981Crassilasma Hill
2002Crassilasma Sepkoski, Jr.

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

phylumCnidariaHatschek 1888
classAnthozoaEhrenberg 1834
subclassRugosa(Milne-Edwards and Haime 1850)
orderStauriidaVerrill 1865
suborderStreptelasmatinaWedekind 1927
familyStreptelasmatidaeNicholson 1889
subfamilyDinophyllinaeWang 1947
genusCrassilasmaIvanovskiy 1962

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.

No diagnoses are available