Children (105 direct children, 128 direct and indirect children):
Sphaerium corneum
Horny orb mussel
Sphaerium nucleus
Sphaerium occidentale
Sphaerium rhomboideum
Sphaerium fabale
Sphaerium striatinum
(tree size 7)
Sphaerium nitidum
Sphaerium simile
Sphaerium patella
Sphaerium stuhlmanni
Sphaerium novaezelandiae
Sphaerium ovale
Sphaerium rivicola
Nut orb mussel
Sphaerium bequaerti
Sphaerium solidum
Sphaerium okinawaense
Sphaerium japonicum
Sphaerium asiaticum
Sphaerium beckmani
Sphaerium aequatoriale
Sphaerium austeni
Sphaerium avanum
Sphaerium baicalense
Sphaerium biwaense
Sphaerium forbesi
Sphaerium galitzini
Sphaerium incomitatum
Sphaerium indicum
Sphaerium lauricochae
Sphaerium maroccanum
Sphaerium montanum
Sphaerium myadii
Sphaerium nyanzae
(tree size 2)
Sphaerium regularis
Sphaerium hartmanni
(tree size 1)
Sphaerium victoriae
Sphaerium capense
Sphaerium acuminatum
(tree size 2)
Sphaerium alticola
Sphaerium altile
Sphaerium bakeri
Sphaerium browni
Sphaerium californicum
Sphaerium cambaraense
Sphaerium canadense
Sphaerium capillaceum
Sphaerium cecilae
Sphaerium cerinum
Sphaerium compressum
Sphaerium concinnum
Sphaerium contractum
Sphaerium cooperianum
Sphaerium crassum
Sphaerium cumberlandicum
Sphaerium davisi
Sphaerium declive
Sphaerium deformis
Sphaerium elegans
Sphaerium eminens
Sphaerium fallax
Sphaerium flavum
Sphaerium fuscatum
Sphaerium haasi
Sphaerium hendersoni
Sphaerium jalapensis
Sphaerium korotniewii
Sphaerium lacustre
Sphaerium laevigatum
Sphaerium lenticula
Sphaerium lilycashense
Sphaerium lineatum
Sphaerium madagascariense
Sphaerium mamillanum
Sphaerium martensi
Sphaerium mexicanum
Sphaerium mohasicum
Sphaerium notatum
(tree size 3)
Sphaerium nylanderi
Sphaerium obtusum
Sphaerium ohioense
Sphaerium ornatum
Sphaerium ovatum
Sphaerium parenzani
Sphaerium partumeium
Sphaerium parvium
Sphaerium praescaldianum
Sphaerium primeanum
Sphaerium prominulum
Sphaerium ranae
(tree size 2)
Sphaerium raymondi
Sphaerium redense
Sphaerium solidulum
Sphaerium sphaericum
Sphaerium ssorense
Sphaerium stamineum
(tree size 1)
Sphaerium subtransversum
Sphaerium sulcatum
(tree size 5)
Sphaerium titicacense
Sphaerium torsum
Sphaerium transversale
Sphaerium triangulare
Sphaerium uintaense
Sphaerium vermontana
Sphaerium walkeri
Sphaerium wrighti