Beyrichicopina
(tree size 268)
Beyrichiidae
(tree size 63)
Shivaella
(tree size 3)
Youngiellidae
(tree size 13)
Abditoloculina
Acantonodella
Amygdalella
Admirabilinella
Ahlintella
(tree size 1)
Aechminella
(tree size 1)
Nezamysliidae
(tree size 2)
Polenovulidae
(tree size 8)
Pseudoparaparchitidae
Rozhdestvenskayitidae
(tree size 3)
Tricorninidae
(tree size 7)
Tvaerenellidae
(tree size 29)
Zygobolbidae
(tree size 11)
Audumla
Palaeocopina
(tree size 6)
Tribolbinacea
(tree size 2)
Hesperidella
(tree size 2)
Eurychilinacea