REX A. DOESCHER - Smithsonian Institution Libraries

NUMBER 42 43
Werneckeella Lenz, 1971:844
*Werriea Campbell, 1957:44 [= Orlholetes]
Westonia Walcott, 1901:683
Westralicrania Cockbain, 1967:119
Whidbornella Reed, 1943:71
Whitfieldella Hall and Clarke, 1893:58
*Whitfieldia Davidson, 1882:107 [= Meristina]
Whitspakia Stehli, 1964:610 [new name for Pakistama]
Whitlardia Williams, 1974:62
Wilberrya Yancey, 1978:301
] Wilsonella Nikiforova, 1937 [invalid new name for Wilsonia,
Wilsonella preoccupied; replaced by Sphaenrhynchia]
•\Wilsoma Kayser, 1871 [replacement by Wilsonella invalid,
Wilsonella preoccupied; replaced by Sphaenrhynchia]
Wilsomel/a Khalfin, 1939:83
Wimanella Walcott, 1908:99
* Wmterfeldia Spriestersbach, 1942:198 [= Uncites]
Wittenburgella Dagys, 1959a:30
Worobievella Dagys, 1959a: 33
\Worthenella Girty, 1938 [replaced by Labnproductus]
Wyatkina Fredericks, 1931:211
Wyella Khodalevich, 1939:21
Wyndhamia Booker, 1930:25
Wynma Walcott, 1908 [nomen nudum]; 1912:771
Wysogorskiella Hints, 1975:61
X, Pajaud, 1966 [un-named; = Konstantia]
Xana Garcia-Alcalde, 1972a:5
Xenarnbomtes Cooper, 1956c:814
Xenelasma Ulrich and Cooper, 1936b:631
Xenelasmella Rozman, 1964, in Chugaeva et al., 1964:137
Xenelasmopsis Rozman, 1969 [nomen nudum]
Xemzostrophia Su, 1976:181
Xenomartima Havlicek, 1953:6
Xenorthis Ulrich and Cooper, 1936b:620
Xenosaria Cooper and Grant, 1976a:2171
Xenospinfer Hou and Xian, 1975:69
Xenosteges Muir-Wood and Cooper, 1960:111
Xenostrophia Wang, 1974, in Wang et al., 1974:38
Xenothyns Ching, Rong, and Sun, 1976, in Ching et al.,
1976:337
Xerospirifer Havlicek, 1978:103
Xerxespinfer Cocks, 1979b:40
Xestosia Cooper and Grant, 1975:1063
Xestotrema Cooper and Grant, 1969:16
Xiangzhounifi Ni and Yang, 1977:464
Xinanorthis Xu, Rong, and Liu, 1974:145
Xinanospinfer Rong, Xu, and Yang, 1974:206
Xinshaoella Zhao, 1977:391
Xizangostrophia Rong, 1976, in Liu, 1976:150
Xystostrophia Havlicek, 1965a:292
Yabeithyns Hatai, 1948:498
Yagonia Roberts, 1976, in Roberts et al., 1976:210
Yakovlevia Fredericks, 1925:7
Yakulijaella Baranov, 1977:77
Yanbianella Tong, 1978:239
Yangkongia Xu and Liu, 1979 [nomen nudum]
Yangtzeella Kolarova, 1925:219
Yanguama Yang, 1977:346; 1978a: 107; 1978b:249
Yamshewskiella Licharew, 1957:138
Yanospira Dagys, 1977a: 11
Yanrhynchia Ching and Sun, 1979 [nomen nudum]
*Yatsengina Semichatova, 1936:216 [= Choristites]
* Yavorskiella Lazutkin, 1940 [nomen nudum; = Lazutkima]
Yeosinella Reed, 1933:193
*Ygera Havlicek, 1961b:449 [= Plectodonlella]
Ygerodiscus Havlicek, 1967a:62
Yidunella Ching, Sun, and Ye, 1979:148
Yingtangella Bai and Ying, 1977 [nomen nudum]; 1978 in
Yoh and Bai, 1978:54
Yingwuspmfer Rong, Xu, and Yang, 1974:201
Yochelsoma Stehli, 1961a:454
Yorkia Walcott, 1897:714
Ypsilorhynchus Sartenaer, 1970:9
* Yrclospinfer Gatinaud, 1949:488 [= Cyrtospinfer]
Yuezhuella Ching and Ye, 1979, in Ye and Yang, 1979:69
Yunnanella Grabau, 1923:195
\~Yunnanella Grabau, 1931 [replaced by Nayunnella]
** Yunnane I lina Grabau, 1931 [= Yunnane lla Grabau, 1923]
Zaissama Sokolskaja, 1968, in Sarytcheva, 1968:197
Zanclorhyncha Xu, 1979b:96
Zdimir Barrande, 1881:171
Zdimirella Tcherkesova, 1973:32
Zeillena Bayle, 1878, pl. 9
Zeillenna Kyansep, 1959:119
Zejsznena Siemiradzki, 1922:172
Zellama Moore, 1855:111
Zeravshanotoechia Rzonsnitzkaja, 1977:127
Zeuschneria Smirnova, 1975a: 137
Zhidothyns Ching, Sun, and Ye, 1979:216
Zhonghuacoelia Chen, 1978:361
Zia Sutherland and Harlow, 1973:59
Ziganella Nalivkin, 1960, in Ivanova, 1960:280
*Zigania Nalivkin, 1937 [nomen nudum; = Dzieduszyckia]
Zilimia Nalivkin, 1937 [nomen nudum]; 1947:98
Zittelina Rollier, 1919:368
Zlichopyramis Havlicek, 1975:233
Zlichorhynchus Havlicek, 1963a:403
Zonarites Rafinesque, 1831? [incertae sedis]
Zophostrophia Veevers, 1959:63
Zugmayerella Dagys, 1963:99
Zugmayena Waagen, 1882:334 [originally spelled Zugmeyeria
by Waagen, corrected to Zugmayena]
Zygatrypa Copper, 1977:307
Zygospira Hall, 1862:155
Zygospiraella Nikiforova, 1961, in Nikiforova and Andreeva,
1961:237