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Metisaspis
Taxonomy
Metisaspis was named by Rasetti (1946) [Sepkoski's age data: Cm Dres-l]. It is not extant.
It was assigned to Ptychopariida by Sepkoski (2002); and to Llanoaspididae by Jell and Adrain (2002).
It was assigned to Ptychopariida by Sepkoski (2002); and to Llanoaspididae by Jell and Adrain (2002).