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Echinospirifer
Taxonomy
Echinospirifer is a genus. It is not extant. It is the type genus of Echinospiriferidae.
It was assigned to Spiriferida by Sepkoski (2002); and to Echinospiriferidae by Williams et al. (2006).
It was assigned to Spiriferida by Sepkoski (2002); and to Echinospiriferidae by Williams et al. (2006).