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Xiphograptus
Taxonomy
Xiphograptus is a genus. It is not extant.
It was assigned to Graptoloidea by Sepkoski (2002); and to Pterograptidae by Maletz et al. (2018).
It was assigned to Graptoloidea by Sepkoski (2002); and to Pterograptidae by Maletz et al. (2018).
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Xiphograptus Sepkoski |
| 2018 | Xiphograptus Maletz et al. p. 23 |
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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.
G. †Xiphograptus
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Diagnosis
No diagnoses are available