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Palaeodiscus
Taxonomy
Palaeodiscus was named by Salter (1857) [Sepkoski's age data: S Ludl-l Sepkoski's reference number: 1066]. It is not extant.
It was assigned to Lepidocentridae by Kier (1966); and to Echinocystitoida by Sepkoski (2002).
It was assigned to Lepidocentridae by Kier (1966); and to Echinocystitoida by Sepkoski (2002).