Children (15 direct children, 62 direct and indirect children):
Rhynchonella
(tree size 41)
Sharpirhynchia
Abrekia
Rhynchonelloidella
(tree size 2)
Rhynchonelloidea
(tree size 4)
Rhynchonellinae
Piarorhynchiinae
Ivanoviellinae
Davanirhynchiinae
Striirhynchiinae
Uralorhynchiinae
Nucleusorhynchiinae
Bilaminellinae
Praecyclothyrinae
Burmirhynchia