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Taxonomy
Euphenax is a genus. It is not extant.
It was assigned to Vulsellidae by Eames (1951); and to Pterioida by Sepkoski (2002).
It was assigned to Vulsellidae by Eames (1951); and to Pterioida 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