Biddulphia abjecta- Biddulphia abyssorum
- Biddulphia acuta
- Biddulphia alaskiensis
- Biddulphia alternans
- Biddulphia angulata
- Biddulphia antediluviana
- Biddulphia anthropomorpha
- Biddulphia antillarum
- Biddulphia arctica
- Biddulphia armata
- Biddulphia astrolabensis
- Biddulphia baileyii
- Biddulphia balearica
- Biddulphia barbadensis
- Biddulphia bicornis
- Biddulphia biddulphiana
- Biddulphia biquadrata
- Biddulphia birostrum
- Biddulphia broeckii
- Biddulphia californica
- Biddulphia campeachiana
- Biddulphia capuzina
- Biddulphia chinensis
- Biddulphia cingulata
- Biddulphia circinus
- Biddulphia clypeolus
- Biddulphia concava
- Biddulphia consimilis
- Biddulphia convexa
- Biddulphia cornigera
- Biddulphia costulata
- Biddulphia crenulata
- Biddulphia culcitella
- Biddulphia curvata
- Biddulphia cuspidata
- Biddulphia cycloides
- Biddulphia decipiens
- Biddulphia discigera
- Biddulphia discursa
- Biddulphia dissipata
- Biddulphia distincta
- Biddulphia dubia
- Biddulphia ecornuta
- Biddulphia edwardsii
- Biddulphia elegans
- Biddulphia elegantula
- Biddulphia elongata
- Biddulphia exacta
- Biddulphia eximia
- Biddulphia extensa
- Biddulphia fenestrata
- Biddulphia fimbriata
- Biddulphia flos
- Biddulphia fractosa
- Biddulphia fragilis
- Biddulphia gigantea
- Biddulphia gladiorum
- Biddulphia grandis
- Biddulphia gruendleri
- Biddulphia grundleri
- Biddulphia grunowiana
- Biddulphia heibergii
- Biddulphia heilpriniana
- Biddulphia heteroceros
- Biddulphia imperialis
- Biddulphia impressa
- Biddulphia indica
- Biddulphia inflata
- Biddulphia informis
- Biddulphia insignis
- Biddulphia inverta
- Biddulphia japonica
- Biddulphia juncatensis
- Biddulphia juncta
- Biddulphia keeleyi
- Biddulphia kreyenhagenii
- Biddulphia lata
- Biddulphia longaeva
- Biddulphia longispina
- Biddulphia luminosa
- Biddulphia madagascarensis
- Biddulphia mammosa
- Biddulphia manca
- Biddulphia minuta
- Biddulphia minutissima
- Biddulphia mobilensis
- Biddulphia mollis
- Biddulphia montereyi
- Biddulphia murrayana
- Biddulphia mythica
- Biddulphia nitida
- Biddulphia nobilis
- Biddulphia novaezealandiae
- Biddulphia oamaruensis
- Biddulphia obtusa
- Biddulphia ovalis
- Biddulphia pacifica
- Biddulphia papillata
- Biddulphia paradoxa
- Biddulphia patagonica
- Biddulphia pentacrinus
- Biddulphia peruviana
- Biddulphia petitiana
- Biddulphia petitii
- Biddulphia podagrosa
- Biddulphia polyacanthos
- Biddulphia primordialis
- Biddulphia pulchella
- Biddulphia pulverulenta
- Biddulphia punctata
- Biddulphia pygmea
- Biddulphia quadricornis
- Biddulphia quinquelocularis
- Biddulphia radiata
- Biddulphia radiosoreticulata
- Biddulphia regina
- Biddulphia reticulata
- Biddulphia retiformis
- Biddulphia reversa
- Biddulphia rigia
- Biddulphia rigida
- Biddulphia robertsiana
- Biddulphia rudis
- Biddulphia ruthenica
- Biddulphia schmidtii
- Biddulphia scitula
- Biddulphia sculpta
- Biddulphia scutellum
- Biddulphia secedens
- Biddulphia septemlocularis
- Biddulphia shadboltiana
- Biddulphia sinuata
- Biddulphia spiculifera
- Biddulphia spinosa
- Biddulphia spinulosa
- Biddulphia striolata
- Biddulphia subaequa
- Biddulphia subjuncta
- Biddulphia suborbicularis
- Biddulphia subrotundata
- Biddulphia tabellaria
- Biddulphia temperei
- Biddulphia tenera
- Biddulphia tenuicornis
- Biddulphia tessellata
- Biddulphia thumii
- Biddulphia titiana
- Biddulphia tortura
- Biddulphia translucida
- Biddulphia tridens
- Biddulphia tridentata
- Biddulphia tripos
- Biddulphia trisinua
- Biddulphia trisulca
- Biddulphia turgida
- Biddulphia turrigera
- Biddulphia undulosa
- Biddulphia varicon
- Biddulphia venosa
- Biddulphia virgata
- Biddulphia vittata
- Biddulphia weissflogii
- Biddulphia weissii
- Biddulphia woolmanii