Cryptostomata

Cryptostomata includes 29 children:

• Arthrostylidae Ulrich 1882
• Escharoporidae Karklins 1983
• Hyphasmoporidae
• Hyphasmoporidae Vine 1886
• Intraporidae Simpson 1897
• NO_FAMILY_SPECIFIED
• Phragmophaeridae
• Ptilodictyidae Zittel 1880
• Ptilodictyina
• Ptilodictyonidae
• Rhabdomesontidae
• Rhabdomesontidae
• Rhinidictyidae
• Rhinidictyidae Ulrich 1893
• Rhinidictyonidae
• Rhinoporidae Miller 1889
• Stictoporellidae
• Stictoporellidae Nickles & Bassler 1900
• Streblotrypidae Ulrich 1890
• Virgatellidae Astrova 1965
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