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Columnolasma
Taxonomy
Columnolasma was named by Pavlova (1973) [Sepkoski's age data: S Ludl]. It is not extant.
It was assigned to Stauriidae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Stauriidae by Hill (1981); and to Rugosa by Sepkoski (2002).
Synonymy list
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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.
G. †Columnolasma Pavlova 1973
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Diagnosis
No diagnoses are available