The Family Radiolitidae is further organized into finer groupings including:
- Genus (8): Biradiolites · Bournonia · Durania · Macgillavryia · Medeella · Radiolites · Rajka · Sphaerulites
- Species: ZipcodeZoo has pages for 77 species and subspecies in the Family Radiolitidae.
More info about the Genus Sphaerulites may be found here.
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