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Hardyoides
Taxonomy
Hardyoides was named by Kobayashi (1938) [Sepkoski's age data: Cm uMid-u O Trem Sepkoski's reference number: 1,459]. It is not extant.
It was assigned to Norwoodiidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
It was assigned to Norwoodiidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
Species
Species lacking formal opinion data