Children (12 direct children, 941 direct and indirect children):
Terebratellidina
(tree size 429)
Macandreviidae
Postepithyrididae
(tree size 1)
Dielasmatidae
(tree size 6)
Gwynioidea
(tree size 3)
Dictyothyrididae
(tree size 2)
Terebratulidina
(tree size 472)
Stenogmus
(tree size 1)
Centronellidina
Dielasmatoidea
(tree size 15)
Obolorugidae
Clathrithyridoidea