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Adastocephalum
Taxonomy
Adastocephalum was named by Mitchell (1919) [Sepkoski's age data: D Gedi D Sieg Sepkoski's reference number: 421]. It is not extant.
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).