OPE-ORT PILSBRYS NAMES 



opella Pils. & Vanatta Opeas 1905 [1906], Proc. ANSP 57: 785, fig. 1 (Honolulu, Oahu, 



Hawaiian Ids.). 

 ophidoon Pils. Clausilia 1904 [1905], Proc. ANSP 56: 820, pi. 52, fig. 1-3 (Shimo-Koshikijima, 



Satsuma, Japan). 

 oponcitonis Pils. & Olsson Diplodon 1935, Proc. ANSP 87: 17, pi. 4, fig. l-2a (Fossil-Terti- 

 ary, La Cira Formation, Rio Oponcito, near Guanabanas, Colombia). [See Note no. 3.] 

 optata Pils. & Ferriss Sonorella 1910, Proc. ANSP 62: 60, pi. 1, fig. 6-12, 17-19 (head of 



Big Emigrant Canyon, Chiricahua Mts., Arizona). 

 optima Pils. Ganesella 1902, Nautilus 15: 116 (Suiniura, Awa, Shikoku Id., Japan). 

 optima Pils. & Ferriss Holospira chiricahuana 1910, Proc. ANSP 62: 129, pi. 14, fig. 13-15 



(Ca\'e Creek Valley, Chiricahua Mts., Arizona). 

 optima Pils. Patella stellaeformis 1927, Nautilus 40: 138 (Yakushima, Osumi, Japan). 

 optima Pils. Pompholyx solida 1934, Proc. ANSP 86: 52 (Lake Bigler, Nevada). 

 optima Pils. Succinea ovalis 1908, Proc. ANSP 60: 48, text fig. 4 (Crugers Valley, Upper 



Red Hook, Duchess Co., New York). 

 optimum Brown & Pils. Pecten oxygonum 1912 [1913], Proc. ANSP 64: 511, pi. 23, fig. 2. 



(new name for Pecten paranensis 'd'Orb' Gabb 1881, non d'Orbigny 1842). 

 orbignyanum Pils. Chlorostoma 1900, Nautilus 13: 111 (Beagle Channel, Patagonia). 

 orbignyi Pils. Potamolithus 1896, Nautilus 10: 80 [nomen nudum]; ibid, p. 88 (Uruguay- 

 River, Paysandu, Uruguay). 

 orcutti Pils. Acmaea triangularis 1891, Man. of Conch. (1) 13: 21, pi. 42, fig. 84-86 (San 



Diego, California). 

 orcutti Pils. Amnicola 1928, Proc. ANSP 80: 115, text fig. 2 (Manzanillo, Colima, Mexico). 

 orcutti Pils. Balanus 1907, Proc. ANSP 59: 361, pi. 29, fig. 1-7 (San Ysidro, Lower Cali- 

 fornia). 

 orcutti 'Pilsbry' Orcutt Pupa 1891, West American Scientist 7: 270; 1935, Man. of Conch. (2) 



28: 173 [both nomena nuda]. 

 ordunensis Pils. Chondrina kobelti 1918, Man. of Conch. (2) 25: 39, pi. 3, fig. 2-4 (Peiia de 



Orduiia, Spain). 

 Oreohelicinae Pils. 1939, Mono. no. 3, ANSP 1: 412. 



Oreohelix Pils. 1904, Nautilus 17: 131 (type species. Helix strigosa Gould). 

 Oreohomorus Pils. 1919, AMNH 40: 123 (type species, H. bequaerti Pils.). 

 organensis Pils. Ashmunella 1906, Nautilus 49: 101 (above Dripping Spring, western slope 



of the Organ Mts., New Mexico). 

 orientalis Hyatt & Pils. Amastra reticulata 1911, Man. of Conch. (2) 21: 181, pi. 29, fig. 8-11 



(Wahiawa, Oahu, Hawaiian Ids.). 

 orientalis Pils. Euchelus (Hybochelus) cancellatus 1904, Proc. ANSP 56: 35, pi. 6, fig. 57-57a 



(Kashiwajima, Tosa, Japan). 

 orientalis Pils. Helcioniscus rota 1892, Man. of Conch. (1) 13: 146, pi. 72, fig. 76-77 (Viti 



Islands [Fiji Ids.]). 

 orientatis Hyatt & Pils. Lamenella venusta 1911, Man. of Conch. (2) 21: 350, pi. 51, fig. 11 



(Puukaeha, east end of Molokai, Hawaiian Ids.). 

 orientis Pils. Sonorella hachitana 1936, Nautilus 49: 110 (Sierra Blanca, 20 mi. W of Van 



Horn, Texas). 

 otitis Pils. & Cheatum Holospira 1951, Nautilus 64: 89, pi. 4, fig. 5-5a (Pratt's Lodge, 



McKittrick Canyon, 7 mi. from Pine Springs, Texas). 

 orizabensis Pils. Pseudosubulina 1907, Man. of Conch. (2) 19: 7, pi. 2, fig. 26 (Orizaba, Vera 



Cruz, Mexico). 

 orizabensis Pils. Radiodiscus 1921, Nautilus 35: 49; 1925, Nautilus 39: 28 [nomen nudum]. 

 Orizosoma Pils. 1891, Nautilus 5: 9 (type species, Streptostyla tabiensis Pils.). 

 omata Pils. & Johnson Volvula 1917, Proc. ANSP 69: 151 (Oligocene— Santo Domingo). 

 ornatior Pils. & Johnson Cuspidaria 1917, Proc. ANSP 69: 195 (Oligocene— Santo Domingo). 

 ornatum Pils. & Vanatta Cerion torrei 1898 [1899], Proc. ANSP 50: 476, fig. 3-4 (Vita, Cuba). 

 oroyensis Pils. Epiphragmophora 1926, Proc. ANSP 78: 2, pi. 1, fig. 2 (Oraya, Dept. of Junin, 



Peru, at 12,000 ft.). 

 orthacantha Pils. & Johnson Melongena 1917, Proc. ANSP 69: 168 (Oligocene— Santo Do- 

 mingo). 

 Orthatracta Pils. Clausilia 1901 [1902], Proc. ANSP 53: 636, pi. 37, fig. 44^6 (Akasaka, 



Prov. Mino, Japan). 

 orthelasmus Pils. Bulimulus spirifer 1898, Man. of Conch. (2) 11: 159 (locality unknown 



[Lower California]). 

 orthoceras Pils. & Sharp Dentalium 1898, Man. of Conch. (1) 17: 225 [new name for Entalis 



? iilosa Koninck 1883, non D. filosum Brod. & Sby. 1832]. 



no 



