Angulodiscorbis
(tree size 11)
Bonairea
Claudostriatella
Conorbella
(tree size 9)
Corrugatella
Crosbyia
(tree size 1)
Curtrightia
(tree size 1)
Discorbinoides
Earltheeia
Glabratella
(tree size 33)
Glabratellina
(tree size 10)
Glabrorosalina
Glennbrownia
(tree size 1)
Heronallenita
(tree size 1)
Microglabratella
(tree size 2)
Neoglabratella
(tree size 1)
Orbignynella
Pijpersia
(tree size 1)
Pileolina
(tree size 20)
Planoglabratella
(tree size 6)
Pseudoruttenia
Rossyatella
(tree size 1)
Sabinia
(tree size 1)
Sabinina
Sabinoides
Schackoinella
(tree size 6)
Selenita
(tree size 1)
Striatorbina
(tree size 2)
Subfastigiella
Subsabinoides
Tergrigorianzaella
Truncoheronallenia
(tree size 1)
Truyolsia
Ruttenia