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Taxonomy
Breizhops was named by Morzadec (1983) [Sepkoski's age data: D Emsi-l D Fame Sepkoski's reference number: 983,ZR83]. It is not extant.
It was assigned to Phacopida by Sepkoski (2002); and to Acastidae by Jell and Adrain (2002).
It was assigned to Phacopida by Sepkoski (2002); and to Acastidae by Jell and Adrain (2002).