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Helicacanthus
Taxonomy
Helicacanthus is a genus. It is not extant.
It was synonymized subjectively with Nododelphinula by Kase (1984).
It was assigned to Nododelphinulidae by Kollmann (2001); and to Archaeogastropoda by Sepkoski (2002).
It was synonymized subjectively with Nododelphinula by Kase (1984).
It was assigned to Nododelphinulidae by Kollmann (2001); and to Archaeogastropoda by Sepkoski (2002).
Species
Species lacking formal opinion data
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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