Eight new acritarch species, four of which are assigned to new genera, are described from Givetian and Frasnian strata of Alberta and the Northwest Territories. The new taxa are Apectosphaeridium apoplanium n.gen. et sp., Asyncosmium isum n.gen. et sp., Cerastum pelorum n.gen. et sp., Variolidium omnium n.gen. et sp., Goniosphaeridium rallum n.sp., Leiosphaeridia gigantea n.sp., Polyedryxium leptum n.sp., and Saharidia perplexa n.sp.

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