BIBLIOGRAPHIC LIST OF GENERA. AND SPECIES. 603 



Heliopliyllum puteatum Hall. 



Heliophyllum puteatum Hall, 35th Rep. New York State Mus. Nat. Hist. (cxt. 



1882, p. 14), 1884, p. 418. 

 Niagaran (?Louisville): Louisville, Kentucky. 



HELLIPORA (CONSTELLARIA) ANTHELOIDEA Rominger. See Constellaria florida. 

 HELMINTHOLITUS Linnaeus. See Conchidium Linnaeus. 

 HELOCERAS Barrande. See Cycloceras McCoy. 



HELOPORA Hall. Genotype: H. fragilie Hall. 



Helopora Hall, Amer. Jour. Sci., 2d ser., 11, 1851, pp. 388, 389; Pal. New York, 

 2, 1852, p. 44. Billings, Cat. Sil. Fosa. Anticosti, p. 36. Ulrich, Amer. 

 Geol., 1, 1888, p. 231 Miller, N. A. Geol. Pal., 1889, p. 308. Ulrich, Geol. 

 Surv. Illinois, 8, 18CO, pp. 401, 642; Jour. Cincinnati Soc. Nat. Hist., 12, 1890, 

 p. 191; Geol. Minnesota, 3, 1893, p. 189. Pocta, Syst. Sil. Centre Boheme., 

 8, pt. 1, 1894, p. 8. Zittel's Textb. Pal. (Engl. ed.), 1896, p. 280. Simpson, 

 14th Ann. Rep. State Geol. New York for 1894, 1897, p. 548. Nickles and 

 Bassler, Bull. U. S. Geol. Surv., no. 173, 1COO, p. 42. Gra'.au, Bull. New York 

 State Mus., 45, 1901, p. 172; Bull. Buffalo Soc. Nat. Sci., 7, 1C01, p. 172. 

 Hennig, Archiv. fur Zool., K. Sven. Vet.-Akad. Stockholm, 3, 1C06, p. 18. 

 Grabau and Shimer, N. A. Index Fossils, 1, p. 152. Cumings, 32d Ann. 

 Rep. Dep. Geol. Nat. Res. Indiana, 1908, p. 747. Bassler, Bull. U. S. Nat. 

 Mus., 77, 1911, p. 149; Zittel-Eastman Textb. Pal., 1913, p. 342. 



Helopora alternata Ulrich. 



Helopora alternata Ulrich, Jour. Cincinnati Soc. Nat. Hist., 12, 18CO, p. 192, fig. 



IGf ; Geol. Minnesota, 3, 1893, p. 192, pi. 3, fig. 9. 

 Black River (Decorah): Minneapolis, Minnesota. 

 Holotype.C&t. No. 43566, U.S.N.M. 



Helopora approximata James. Not recognized. 



Helopora approximata James, Paleontologist, no. 1, 1875, p. 3. Bassler, Proc. 



U. S. Nat. Mus., 30, 1906, p. 39. 

 Eden: Cincinnati, Ohio. 



Observation. Founded on some Bythopora (probably B. arctiporal with a 

 bulbous extremity due to irregular growth. 



Helopora armata Billings. 



Helopora armata Billings, Cat. Sil. Foss. Anticosti, 1866, p. 38. 

 Anticostian (Jupiter River): East Point, Anticosti. 



Helopora bellula Billings. 



Helopora bellula Billings, Catal. Sil. Foss. Anticosti, 1866, p. 38. 

 Anticostian (Gun River and Jupiter River): East Point, etc., Anticosti. 



HELOPORA CIRCE Billings. See Chilotrypa circe. 



Helopora concava Billings. 



Helopora concava Billings, Catal. Sil. Foss. Anticosti, 1866, p. 37. 

 Anticostian (Becsie River Jupiter River): East Jupiter River, East Point, etc., 

 Anticosti. 



HELOPORA DENDRINA James. See Bythopora dendrina. 



Helopora divarlcata Ulrich. 



Helopora divaricata Ulrich, 14th Ann. Rep. Geol. Minnesota, 1886, p. 59; Geol. 

 Minnesota, 3, 1893, p. 191, pi. 3, figs. 1-3. Bassler, Bull. U. S Nat. Mus., 77, 

 1911, pp. 149, 150, fig. 72. 



