Aulacopsis
Winchellatia
(tree size 1)
Wehrlina
Vittella
(tree size 2)
Tetradella
(tree size 10)
Sigmoopsoides
Sigmoopsis
Sigmobolbina
Severella
Polyceratella
(tree size 1)
Petrisigmoopsis
Pentagona
(tree size 1)
Ordovicia
Ogmoopsis
Oecematobolbina
Lomatobolbina
(tree size 1)
Hippula
Gunnaropsis
(tree size 1)
Glossomorphites
Foramenella
Disulcina
Dilobella
(tree size 1)
Ctenobolbina
(tree size 9)
Glossomorphitinae
(tree size 4)
Perspicillinae
(tree size 4)
Sigmoopsinae
(tree size 1)
Perspicillum
Aahithis
Ahla
Braderupia
Seviculina
Uvonhachtia