BIBLIOGKAPHIC LIST OF GENERA AND SPECIES. 1113 



Rhipidomella sola (Billings). 



Orthis sola Billings, Cat. Sil. Fossils of Anticosti, 1866, p. 12. 

 Richmond (Charleton) : Salmon River, Anticosti. 



Rhipidomella subclrcula (Simpson). 



Orthis subcircula Simpson, Trans. Amer. Phil. Soc., n. s., 16, 1889, p. 437, fig. 2. 



Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 534, figs. 

 Rhipidomella subcirculus Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 352. 

 Clinton: Mifflin and Huntington Counties, Pennsylvania. 



Rhipidomella tenuilineata Savage. 



Rhipidomella tenuilineata Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 77, 



pi. 4, figs. 9, 10. 

 Upper Medinan (Edgewood): Louisiana, near mouth of Buffalo Creek, Pike 



County, Missouri. 



Rhipidomella uberis (Billings). 



Orthis sequivalva Shaler (not Hall, 1847), Bull. Mus. Comp. Zool., 1, 1865, p. 66. 

 Orthis uberis Billings, Catalogue Sil. Foss. Anticosti, 1866, p. 42. 

 Rhipidomella uberis Hall and Clarke, Pal. New York, 8, pt. 1, 1892, p. 224. 

 Gamachian (Ellis Bay) and Anticostian (Becsie River Chicotte) : Junction Cliff, 

 etc., Anticosti. 



Rhipidomella uberis rhynchonelliformis (Shaler). 



Orthis rhynchonelliformis Shaler, Bull. Mus. Comp. Zool., 1, 1865, p. 66. Billings, 



Cat. Sil. Foss. Anticosti, 1866, p. 42. 

 Rhipidomella rhynchonelliformis Schuchert, Bull. U. S. Geol. Surv., 87, 1897, 



p. 351. 

 Gamachian (Ellis Bay) and Anticostian (Becsie River Jupiter River) : Gull Cove, 



Jupiter River, etc., Anticosti. 



RHIPIDOMYS (Ehlert. See Rhipidomella (Ehlert. 



RHIZOGRAPTUS Spencer. Genotype: R. bulbosus Spencer. 



Rhizograpsus Spencer, Canadian Nat., n. s., 8, 1878, p. 460. 

 Rhizograptus Spencer, Proc. Amer. Assoc. Adv. Sci., 31, 1883, p. 364; Bull. Mus. 



Univ. State Missouri, 1, 1884, p. 30; Trans. Acad. Sci. St. Louis, 4, 1884, 



p. 562, 580. Miller, N. A. Geol. Pal., 1889, p. 202. 



Rhizograptus bulbosus Spencer. 



Rhizograpsus bulbosus Spencer, Canadian Nat., n. s., 8, 1878, p. 460. Gurley, 



Jour. Geol., 4, 1896, pp. 101, 308. 

 Rhizograptus bulbosus Spencer, Bull. Mus. Univ. State Missouri, 1, 1884, p. 30, 



pi. 4, fig. 4; Trans. Acad. Sci. St. Louis, 4, 1884, p. 580, pi. 4, fig. 4. Miller, 



N. A. Geol. Pal., 1889, p. 202, fig. 215. Bassler, Bull. U. S. Nat. Mus., 65, 



1909, p. 41, fig. 52. 

 Niagaran dolomite: Hamilton, Ontario. 



RHIZOPHYLLUM Lindstrom. See Calceola subgenus Rhizophyllum. 



RHODOCRINUS (THYSANOCBINUS) ACULEATUS Shumard. See Dimerocrinus aculeatus. 



RHODOCRINUS ASPERATUS Billings. See Deocrinus asperatus. 



RHODOCRINUS (THYSANOCRINUS) CANALICULATUS Shumard. See Thysanocrinua 

 canaliculatus. 



RHODOCRINUS (LYRIOCRINUS) DACTYLUS Shumard. See Lyriocrinus dactylus. 



