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Heterolasma
Taxonomy
Heterolasma was named by Ehlers (1919) [Sepkoski's age data: S Ldov-u , S Wenl-l]. It is not extant.
It was assigned to Ketophyllidae by Hill (1981); and to Rugosa by Sepkoski (2002).
It was assigned to Ketophyllidae 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. †Heterolasma Ehlers 1919
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Diagnosis
No diagnoses are available