Archaesphaeridae
(tree size 21)
Auroriidae
(tree size 2)
Chrysothuramminidae
(tree size 4)
Eovolutinidae
(tree size 3)
Ivanovellidae
(tree size 4)
Marginaridae
(tree size 4)
Parathuramminidae
(tree size 13)
Tuberitinidae
(tree size 14)
Uralinellidae
(tree size 2)
Usloniidae
(tree size 3)
Insolentithecidae
Bisphaeridae