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Tavsenia
Taxonomy
Tavsenia was named by Robison (1988) [Sepkoski's age data: Cm uMid Sepkoski's reference number: ZR89]. It is not extant.
It was assigned to Menomoniidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
It was assigned to Menomoniidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).