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Acernaspis
Taxonomy
Acernaspis was named by Campbell (1967) [Sepkoski's age data: S Ldov-l S Wenl-l Sepkoski's reference number: 393].
It was assigned to Phacopidae by Jell and Adrain (2002); and to Phacopida by Sepkoski (2002).
It was assigned to Phacopidae by Jell and Adrain (2002); and to Phacopida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Acernaspis Campbell |
| 1968 | Murphycops Lespérance |
| 2002 | Acernaspis Jell and Adrain p. 336 |
| 2002 | Acernaspis 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. †Acernaspis Campbell 1967
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Subg. †Acernaspis (Eskaspis) Clarkson et al. 1977
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†Acernaspis (Eskaspis) sufferta Lamont 1947
†Acernaspis (Eskaspis) woodburnensis Clarkson et al. 1977
†Acernaspis copperi Chatterton and Ludvigsen 2004
†Acernaspis elliptifrons Esmark 1833
†Acernaspis khatangensis Weber 1951
†Acernaspis nanus Maksimova 1962
†Acernaspis orestes Billings 1860
†Acernaspis superciliexcelsis Howells 1982
†Acernaspis xynon Howells 1982
Invalid names: Murphycops Lespérance 1968 [synonym]
Diagnosis
No diagnoses are available