Calyptrosphaeraceae

Calyptrosphaeraceae includes 26 children:

• Anthosphaera Kamptner 1936
• Balaniger Thomsen & Oates 1978
• Calicasphaera A. Kleijne 1991
• Calyptrolithina Heimdal 1982
• Calyptrolithophora Heimdal 1980
• Calyptrosphaera Lohmann 1902
• Corisphaera Kamptner 1936
• Daktylethra Gartner 1969
• Flosculosphaera Jordan & Kleijne 1991
• Gliscolithus R. E. Norris 1985
• Helladosphaera Kamptner 1937
• Homozygosphaera Deflandre 1952
• Lanternithus Stradner 1962
• Periphyllophora Kamptner 1936
• Poricalyptra A. Kleijne 1991
• Poritectolithus A. Kleijne 1991
• Quaternariella Thomsen 1980
• Sphaerocalyptra Deflandre 1952
• Syracolithus subgen. Kamptner Deflandre 1952
• Zygosphaera Kamptner 1937
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