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Ringicula (Ringiculina)
Taxonomy
Ringiculina was named by Monterosato (1884) [Sepkoski's age data: K Maes-l R]. It is extant.
It was reranked as Ringicula (Ringiculina) by Durham (1944), Marasti (1973).
It was assigned to Ringicula by Durham (1944), Marasti (1973); and to Cephalaspida by Sepkoski (2002).
It was reranked as Ringicula (Ringiculina) by Durham (1944), Marasti (1973).
It was assigned to Ringicula by Durham (1944), Marasti (1973); and to Cephalaspida by Sepkoski (2002).
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.
Subg. Ringicula (Ringiculina) Monterosato 1884
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Diagnosis
No diagnoses are available