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Pyritonema
Taxonomy
Pyritonema was named by McCoy (1850) [Sepkoski's age data: S]. It is not extant.
It was assigned to Lyssacinosida by Sepkoski (2002); and to Lyssacinosa by Reid (2004).
It was assigned to Lyssacinosida by Sepkoski (2002); and to Lyssacinosa by Reid (2004).
Species
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.
Diagnosis
No diagnoses are available