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Cardiograptus
Taxonomy
Cardiograptus is a genus. It is not extant.
It was assigned to Graptoloidea by Sepkoski (2002); and to Isograptidae by Maletz (2014).
It was assigned to Graptoloidea by Sepkoski (2002); and to Isograptidae by Maletz (2014).
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