Discorbis
(tree size 47)
Acarotrochus
(tree size 1)
Aristerospira
Auriculina
Crouchina
Cyclodiscus
Cyclospira
(tree size 3)
Disconorbis
(tree size 1)
Discorbina
(tree size 14)
Discorbinita
Discorbites
Lamellodiscorbis
(tree size 2)
Latecella
(tree size 1)
Neodiscorbinella
(tree size 5)
Neoeponides
(tree size 8)
Orbitina
(tree size 6)
Phanerostomum
Platyoecus
Pseudobaggina
Rotorbinella
(tree size 17)
Rotorbis
(tree size 3)
Schaferina
(tree size 2)
Spinodiscorbis
Strebloides
(tree size 2)
Trochulina
(tree size 4)
Discorbinae