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Cystothalamia
Taxonomy
Cystothalamia was named by Girty (1909) [Sepkoski's age data: P Guad-l Tr Nori Sepkoski's reference number: 204,227,978]. Its type is Cystothalamia nodulifera.
It was assigned to Calcarea by Sepkoski (2002); and to Guadalupiidae by Finks et al. (2004).
It was assigned to Calcarea by Sepkoski (2002); and to Guadalupiidae by Finks et al. (2004).
Species
C. adrianensis, C. conica, C. crassa, C. distefanoi, C. guadalupensis, C. irregulara, C. megacysta, C. nana, C. nodulifera (type species), C. surmaqensis