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Taxonomy
Perunaspis was named by Přibyl (1949) [Sepkoski's age data: D Gedi D Eife Sepkoski's reference number: 774,1106]. It is not extant.
It was reranked as Acanthopyge (Perunaspis) by Thomas and Holloway (1988).
It was assigned to Proetidae by Přibyl (1949); to Acanthopyge by Thomas and Holloway (1988); to Lichidae by Vaněk (1959), Jell and Adrain (2002); and to Lichida by Sepkoski (2002).
It was reranked as Acanthopyge (Perunaspis) by Thomas and Holloway (1988).
It was assigned to Proetidae by Přibyl (1949); to Acanthopyge by Thomas and Holloway (1988); to Lichidae by Vaněk (1959), Jell and Adrain (2002); and to Lichida by Sepkoski (2002).