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Langgonia
Taxonomy
Langgonia was named by Kobayashi and Hamada (1971) [Sepkoski's age data: S Sepkoski's reference number: 574]. It is not extant.
It was assigned to Encrinuridae by Jell and Adrain (2002); and to Phacopida by Sepkoski (2002).
It was assigned to Encrinuridae by Jell and Adrain (2002); and to Phacopida by Sepkoski (2002).