Coelocyclus novaeki (FOSSIL) J. Perner, 1903 †
Coelocyclus novaki (FOSSIL) J. Perner, 1903 † Czech Republic, Prague
Cymbularia nuciformis (FOSSIL) J. Perner, 1903 † Czech Republic, StÅ™edoĨeský, Praha - západ
Cymbularia nummulina (FOSSIL) E.F.R.K. Koken& J. Perner, 1925 † Sweden, Dalarna
Ptychosphaera obesa (FOSSIL) Wang, 1980 † China, Qinglong County
Sphenosphaera opertus (FOSSIL) (Foerste, 1893 †) USA, Ohio, Licking
Bellerophon orientalis (FOSSIL) de Koninck, 1863 † Pakistan, Punjab, Sargodha
Coelocyclus ornatus (FOSSIL) Northrop, 1939 †
Bellerophon oteroensis (FOSSIL) E.L. Yochelson, 1960 † United States, New Mexico, Otero
Ptychosphaera ouralicus (FOSSIL) (Murchison & al., 1845 †) Ukraine, Kamenez-Podolsk
Praematuratropis ovatus (FOSSIL) Rollins & al., 1971 † USA, New York, Madison
Bellerophon panneus (FOSSIL) White, 1862 † Iowa, Des Moines County
Dicellonema panxianensis (FOSSIL) Yu, 1980 † China, Guizhou, Liupanshui
Bellerophon parvicristus (FOSSIL) E.L. Yochelson, 1960 † USA, Texas, Coleman
Bellerophon patersoni (FOSSIL) J.W. Hall, 1862 † USA, Iowa, Dubuque
Bellerophon pelops (FOSSIL) J.W. Hall, 1862 † Indiana
Bellerophon pennatus (FOSSIL) R. Etheridge jr., 1907 † Australia, Northern Territory, Thamarrurr
Pharkidonotus percarinatus (FOSSIL) (T.A. Conrad, 1842 †) USA, Illinois, Effingham
Bellerophon permianus (FOSSIL) Netchaev, 1894 †
Joleaudella perstriatus (FOSSIL) (Foerste, 1924 †) Canada, Ontario, Lake Hurron
Semilukispira petinensis (FOSSIL) (Nalivkin, 1930 †) Russia, Voronezh, Semilukskiy
Bellerophon pisum (FOSSIL) A.C. Chapman, 1916 †
Bellerophon pitkinensis (FOSSIL) Snider, 1915 †
Bellerophon planoconvexus (FOSSIL) Mansuy, 1912 † Cambodia, Batdâmbâng
Bellerophon planodorsatum (FOSSIL) Hoare, 1961 † USA, Missouri, Henry
Sphenosphaera platystoma (FOSSIL) (F.B. Meek& A.H. Worthen, 1868 †) USA, Iowa, Clinton
Prosoptychus plenus (FOSSIL) (Billings, 1874 †) Canada, Quebec, Cap-des-Rosiers
Waagenella plummeri (FOSSIL) E.L. Yochelson, 1960 † USA, Texas, Brewster
Bellerophon politus (FOSSIL) L. Waagen, 1880 † Pakistan, Punjab, Sargodha
Prosoptychus projectus (FOSSIL) J. Perner, 1903 † Czech Republic, StÅ™edoĨeský, Praha - západ
Bellerophon propinquus (FOSSIL) F.B. Meek, 1871 †
Cymbularia pygmaea (FOSSIL) E.F.R.K. Koken& J. Perner, 1925 † Norway, Oslo
Bellerophon pygmaeus (FOSSIL) d'Eichwald, 1859 †
Bellerophon qinglongensis (FOSSIL) Wang, 1980 † China, Qinglong County
Bucanopsis qinglongensis (FOSSIL) Wang, 1980 † China, Qinglong County