944 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



PARABOLINOPSIS Hoek. Genotype: P. mariana Hoek. 



Parabolinopsis Hoek, Neues Jahrb. Min. Geol. Pal., 34, 1912, p. 226. 



Parabolinopsis mariana Hoek. 



Parabolinopsis mariana Hoek, Neues Jahrb. Min. Geol. Pal., 34, 1912, p. 226, 



pi. 7, figs. 1-3. 

 Ordovician: Tarija, Bolivia. 



PARACTINOCERAS Hyatt. See Actinoceras Bronn. 



PARADOXIDES ARCUATUS Harlan. See Triarthrus becki. 



PARADOXIDES BECKII Green. See Triarthrus becki. 



PARADOXIDES BOLTONI Bigsby. See Arctinurus boltoni. 



PARADOXIDES EATONI Hall. See Triarthrus becki. 



PARADOXIDES SPINULOSUS Burmeister. See Parabolina spinulosa. 



PARADOXIDES TETRAGONOCEPHALUS Emmrich. See Asaphus(?) tetragonocephalus. 



PARADOXIDES TRIARTHRUS Harlan. See Triarthrus becki. 



PARALICHAS Reed. See Amphilichas Raymond. 



PARALLELODUS Branson. Genotype: P. obliquus Branson. 



Parallelodus Branson, Trans. Acad. Sci. St. Louis, 18, 1909, p. 43. 



Parallelodus obliquus Branson. 



Parallelodus obliquus Branson, Trans. Acad. Sci. St. Louis, 18, 1909, p. 43, pi. 7, 



figs. 9, 10. 

 Black River (Auburn Decorah) : Lincoln County, Missouri. 



PARALLELOPORA Holtedahl. Genotype: P. favositiformis Holtedahl. 



Parallelopora Holtedahl, Second Arct. Exp. "Pram," 1898-1902, No. 32, 1914, 

 p. 13. 



Pa'rallelopora favositiformis Holtedahl. 



Parallelopora favositiformis Holtedahl, Second Arct. Exp. "Fram," 1898-1902, 



No. 32, 1914, p. 13, pi. 4, figs. 3, 4; pi. 5, figs. 1-5. 

 Helderbergian (Lower beds): Near Borgen, Southwestern Ellesmereland, Arctic 



America. 



PARASTROPHIA Hall and Clarke. Genotype: Atrypa hemiplicata Hall. 



Parastrophia Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 221; 13th Ann. 



Rep. New York State Geol., 1895, p. 839. Schuchert, Zittel-Eastman Textb. 



Pal., 1, 1900, p. 321; 2d ed., 1913, p. 394. Grabau and Shimer, N. A. Index 



Fossils, 1, 1907, p. 271. 



Parastrophia divergens Hall and Clarke. 



Parastrophia divergens Hall and Clarke, Pal. New York, 8, pt. 2, 1895, pp. 222, 



366, pi. 63, figs. 4-7; 48th Rep. New York State Mus., 2, for 1895, 1897, p. 364; 



pi. 10, figs. 11-14; 14th Rep. State Geol. New York for 1894, 1897, p. 364, 



pi. 10, figs. 11-14. 

 Richmond (Fern vale): Wilmington, Illinois. 



Parastrophia greenei Hall and Clarke. 



Parastrophia greenii Hall and Clarke, Pal. New York, 8, pt. 2, 1895, pp. 222, 367, 

 pi. 63, figs. 17-20, 22; 48th Rep. New York State Mus., 2, for 1895, 1897, 

 p. 364, pi. 10, figs. 1-5; 14th Rep. State Geol. New Yorkfor 1894, 1897, p. 364, 

 pi. 10, figs. 1-5. 

 Niagaran (Racine) : Milwaukee, Wisconsin, 



