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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 Pterygometopidae by Jell and Adrain (2002); and to Phacopida by Sepkoski (2002).
It was assigned to Eomonorachinae by Ludvigsen and Chatterton (1982); to Pterygometopidae by Jell and Adrain (2002); and to Phacopida by Sepkoski (2002).
Species lacking formal opinion data