REX A. DOESCHER - Smithsonian Institution Libraries

NUMBER 42 27
Ocruranus Liu, 1979:506
Odarovithyris Tchorszhewsky, 1971:63
Odontospirifer Dunbar, 1955:155
Oehlertella Hall and Clarke, 1890:132
jOehlertia Khalfin, 1948 [replaced by Leptodonta]
Oepikina Salmon, 1942:589
*Oepikinella Wilson, 1944:199 [= Strophomena]
Ogbinia Sarytcheva, 1965, in Ruzhentsev and Sarytcheva,
1965:229
Ogilviella Lenz, 1968:180
Okathyns Smirnova, 1975c:71
*Oldhamella Noetling, 1905 [invalid new name for Oldhamina]
Oldhamia.—Zittel, 1910 [misspelling of Oldhamina]
Oldhamina Waagen, 1883:406 [replacement by Oldhamella
and Waagenopora invalid]
Oldhaminella Wanner and Sieverts, 1935:232
OUneothyris Cooper, 1942:233
Oleorthis Havlicek, 1968:124
Olgerdia Grigorjewa, 1977:50
Oligomys Schuchert and Cooper, 1931:243
Oligoplycherhynchus Sartenaer, 1970:20
Oligorhachis Imbrie, 1959:403
Oligorhynchia Cooper, 1935:49
Oligorlhis Ulrich and Cooper, 1936b:624
Oligothynna Cooper, 1956a:526
*0lweirella Oliveira, 1934:167 [new name for Brasilia; =
Paranaia]
Omboma Caneva, 1906:54
Omnutakhella Lopushinskaja, 1976:66
Omolonella Moisseiev, 1936:39
Omolonia Alekseeva, 1967, in Alekseeva and Nuzhdina,
1967:138
**Omolonospinfer Simakov, 1970 [= Tenisia]
Omolonothyris Dagys, 1968:132
Oncosarina Cooper an Grant, 1969:9
Onmella Bancroft, 1928b:55
Onnizetina Havlicek, 1974:168
Onopordumana Waterhouse, 1971, in Bamber and Waterhouse,
1971:205
Onychoplecia Cooper, 1956c:529
Onychotreta Ulrich and Cooper, 1936a:339
(Opikella) Amsden, 1968:48 [subgenus of Leangella]
Opisthotreta Palmer, 1954:771
Opsicomdion Ludvigsen, 1974:143
\Orbicella Orbigny, 1847 [replaced by Clistotrema]
Orbicoelia Waterhouse and Piyasin, 1970:144
*Orbicula Cuvier, 1798:435 [= Crania]
* Orbicularis Dumeril, 1806 [= Crania]
Orbiculoidea Orbigny, 1847:269
Orbiculopora Batrukova, 1969:75
Orbiculothyns Wolfart, 1968, in Wolfart et al., 1968:528
Orbinana Muir-Wood and Cooper, 1960:150
Orbirhynchia Pettitt, 1954:29
Orbithele Sdzuy, 1955:9
Orenburgella Pavlova, 1969:76
Onentospua Dagys, 1965:101
Onentospinfer Hou and Xian, 1975:49
Onentothyns Katz and Popov, 1974:28
Ongostrophia Mitchell, 1977:115
Oriskama Hall and Clarke, 1893:270
Orlovirhynchia Dagys, 1968:75
Ornatothyrella Dagys, 1974:210
Ornatothyns Sahni, 1929:45
Ormthella Deslongchamps, 1884:273
'Ormthothyns Sahni, 1925:374 [= Carneithyns]
Ornothyrella Havlicek, 1971c:80
Orthambomtes Pander, 1830:81
Orlhidiella Ulrich and Cooper, 1936b:621
Orthidium Hall and Clarke, 1892:244
0rt/zzj Dalman, 1828:112
'Orthisma Orbigny, 1847 [= Clitambomles]
Orthisocrama Rowell, 1963:39
Orthoidea Friren, 1876:1
"Orthonomaea Hall, 1859 [nomen nudum]; 1893, in Hall and
Clarke, 1893:159 [= Catazyga]
Orthopleura Imbrie, 1959:391
Orthorhynchula Hall and Clarke, 1893:181
Orthorhynchuloides Williams, 1962:241
Orthospirifer Pitrat, 1975:387
Orthostrophella Amsden, 1968:23
Orlhostrophia Hall, 1883, pl.36
Orthotelella King, [1931]:51
Ortholetes Fischer de Waldheim, 1829:375
Orthothetina Schellwien, 1900:10
Orthothnx Geinitz, 1847:86
Orthothyris Cooper, 1955b:64
Orthotichia Hall and Clarke, 1892:213
Orthotichina.—Tschernyschew, 1914 [misspelling of Orthotichia]
Orlholoma Quenstedt, 1869:315
Orthotomoides Tchorszhewsky, 1971 [nomen nudum]
Orthotropia Hall and Clarke, 1893, pl.84
Ortotichia.—Tschernyschew, 1914 [misspelling of Orthotichia]
Orulgama Solomina and Tschernjak, 1961:61
Orusia Walcott, 1905:273
Oslogomtes Opik, 1939:133
*Oslomena Spjeldnaes, 1957:161 [= Glyptomena]
Osmarella Pearson, 1977:58
(Otanella) Waterhouse, 1978:30 [subgenus of Margimfera]
Otospinfer Hou and Xian, 1975:65
Otusia Walcott, 1905:246
(Ovalella) Walmsley and Boucot, 1975:75 [subgenus of
Isorthis]
'Ovalia Nalivkin, 1937 [= Brachythyns]
Ovatia Muir-Wood and Cooper, 1960:312
Overtonia Thomas, 1914:260