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Pemphigaspis
Taxonomy
Pemphigaspis was named by Hall (1863) [Sepkoski's age data: Cm Dres-l]. It is not extant.
It was assigned to Catillicephalidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
It was assigned to Catillicephalidae by Jell and Adrain (2002); and to Asaphida by Sepkoski (2002).
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1863 | Pemphigaspis Hall |
| 1943 | Hallaspis Raasch and Lochman |
| 1951 | Hallaspis Tasch |
| 2002 | Pemphigaspis Jell and Adrain p. 423 |
| 2002 | Pemphigaspis 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.
G. †Pemphigaspis Hall 1863
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Invalid names: Hallaspis Raasch and Lochman 1943 [synonym]
Diagnosis
No diagnoses are available