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Taxonomy
Pinna folium was named by Young and Bird (1822). It is not extant.
It was recombined as Pinna (Pinna) folium by Aberhan (1998) and Gahr (2002).
It was recombined as Pinna (Pinna) folium by Aberhan (1998) and Gahr (2002).
Sister species lacking formal opinion data
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.
†Pinna folium Young and Bird 1822
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Diagnosis
No diagnoses are available