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Sceptaspis
Taxonomy
Sceptaspis was named by Ludvigsen and Chatterton (1982) [Sepkoski's age data: O Cara-l O Ashg-u Sepkoski's reference number: 392,690,795]. It is not extant.
It was assigned to Eomonorachinae by Ludvigsen and Chatterton (1982); to Phacopida by Sepkoski (2002); and to Pterygometopidae by Jell and Adrain (2002).
It was assigned to Eomonorachinae by Ludvigsen and Chatterton (1982); to Phacopida by Sepkoski (2002); and to Pterygometopidae by Jell and Adrain (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1982 | Sceptaspis Ludvigsen and Chatterton p. 2186 |
| 2002 | Sceptaspis Jell and Adrain p. 442 |
| 2002 | Sceptaspis 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. †Sceptaspis Ludvigsen and Chatterton 1982
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†Sceptaspis lincolnensis Branson 1909
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Invalid names: Calliops huronensis Okulitch 1942 [synonym], Calyptaulax calderi Wilson 1947 [synonym], Calyptaulax conjuens Foerste 1919 [synonym], Calyptaulax ottawanus Okulitch 1942 [synonym]
Diagnosis
No diagnoses are available