IRMNG Taxon list
Calcicalathina alta Perch-Nielsen, 1979 †
Calcicalathina oblongata (Worsley, 1971) Thierstein, 1971 †
Percivalia fenestrata (Worsley) S.W. Wise †
Percivalia pontilitha Bukry, 1969 †
Percivalia porosa Bukry, 1969 †
Rhabdolithina splendens (Deflandre, 1953) Reinhardt, 1967 † accepted as Rhagodiscus splendens (Deflandre, 1953) Verbeek, 1977 †
Rhabdolithina swinnertonii M. Black †
Rhagdodiscus eboracensis M. Black †
Rhagodiscus angustus (Stradner, 1963) Reinhardt, 1971 †
Rhagodiscus asper (Stradner, 1963) Reinhardt, 1967 †
Rhagodiscus bispiralis Perch-Nielsen, 1968 †
Rhagodiscus elongatus Stover, 1966 † accepted as Rhagodiscus angustus (Stradner, 1963) Reinhardt, 1971 †
Rhagodiscus granulatus Perch-Nielsen, 1968 †
Rhagodiscus plebeius Perch-Nielsen, 1968 †
Rhagodiscus reniformis Perch-Nielsen, 1973 †
Rhagodiscus splendens (Deflandre, 1953) Verbeek, 1977 †