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Hysterolenus
Taxonomy
Hysterolenus was named by Moberg (1898) [Sepkoski's age data: Cm Trep O Trem-l Sepkoski's reference number: 80,378]. It is not extant.
It was assigned to Asaphida by Sepkoski (2002); and to Ceratopygidae by Jell and Adrain (2002).
It was assigned to Asaphida by Sepkoski (2002); and to Ceratopygidae by Jell and Adrain (2002).