Biddulphia rhombus
(tree size 2)
Biddulphia biddulphiana
Biddulphia regina
Biddulphia tridens
Biddulphia tuomeyi
(tree size 3)
Biddulphia reticulata
(tree size 1)
Biddulphia juncta
Biddulphia belgicae
Biddulphia discigera
Biddulphia elegantula
Biddulphia homala
Biddulphia inelegans
Biddulphia inflata
Biddulphia primordialis
Biddulphia robertsiana
Biddulphia rostrata
Biddulphia schmidtii
Biddulphia suborbicularis
Biddulphia tumida
(tree size 1)
Biddulphia alternans
Biddulphia amphicephala
Biddulphia apiculata
Biddulphia areolata
Biddulphia azorica
Biddulphia brevis
Biddulphia capuzina
Biddulphia catenata
Biddulphia cornuta
Biddulphia decussta
Biddulphia echinulata
Biddulphia ecornuta
Biddulphia elegans
Biddulphia gigantea
Biddulphia gruendleri
Biddulphia lesdiana
Biddulphia loczyi
Biddulphia minutissima
Biddulphia nitida
Biddulphia petrolia
Biddulphia punctata
Biddulphia quinqueguttata
Biddulphia radiata
Biddulphia retiformis
Biddulphia rigida
Biddulphia sanpedroanus
Biddulphia schroederiana
Biddulphia scitula
Biddulphia sculpta
Biddulphia sinuata
Biddulphia spinosa
Biddulphia subaequa
Biddulphia tenera
Biddulphia tridentata
Biddulphia tridentula
Biddulphia tripartita
Biddulphia trisinua
Biddulphia ursina
Biddulphia van-heurckii
Biddulphia vesiculosa