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Bullarina
Taxonomy
Bullarina was named by Jin and Sun (1981) [Sepkoski's age data: P l Sepkoski's reference number: 881].
It was assigned to Spiriferida by Sepkoski (2002); to Elythidae by Shen et al. (2003); and to Phricodothyridinae by Williams et al. (2006).
It was assigned to Spiriferida by Sepkoski (2002); to Elythidae by Shen et al. (2003); and to Phricodothyridinae by Williams et al. (2006).
Species