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Frognaspis
Taxonomy
Frognaspis was named by Nikolaisen (1965). Its type is Frognaspis stoermeri.
It was assigned to Asaphida by Sepkoski (2002); and to Ityophoridae by Nikolaisen (1965), Owen and Bruton (1980) and Jell and Adrain (2002).
It was assigned to Asaphida by Sepkoski (2002); and to Ityophoridae by Nikolaisen (1965), Owen and Bruton (1980) and Jell and Adrain (2002).
Species
F. stoermeri (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Frognaspis Nikolaisen |
| 1980 | Frognaspis Owen and Bruton |
| 2002 | Frognaspis Jell and Adrain p. 377 |
| 2002 | Frognaspis Sepkoski |
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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