142 SYNOIVSIS OF AMKKICAN FOSSIL liRACHIOFODA. [iuu.,«7. 



Amphigenia elongata (Vaiiuxem) — Coutiiined. 



SUi(Ul:iii(lini;i eloiif^ata Billiufrs, Geol. Caiiiula, 1863, p. 371, lij;. 3!»0. 



Aiui)hifj;cnia. elougata Hall, Pal. New York, IV, 18fi7, p. 383, j)!. 58A, lij^s. 21-24; 

 pi. 5!), tigs. 1-11.— Billings, Ciiiiadiaii Nat. Geol., n. ser., VII., 1871, j). 240.— 

 Kathbuii, Proc. Bo.stou Soc. Nat. Hist., XX. 1879, p. 34.— Hall and Clarke, 

 Pal. New York, VIII, Pt. II, 1893, p. 253, pi. 73, figs. 16-20; pi. 71, ligs. 1-9; 

 pi. 76, fig. 9. 



Loc. New York ; Michigau ; Cayuga, Ontario ; Rio Maecurii and Kio Curua, Brazil. 



Amphigenia elongata subtrigonalis Hall. Up. Helderberg (Dev.). 



Megauteriasubtrigoualis Hall, Tenth Kep.N. Y. State Cab. Nat. Hist., 18.57, p. 123. 

 Amphigenia elongata var. subtrigonalis Hall, Pal. New Y'ork, IV, 1867, p. 384. 

 Loc. Erie County, New York. 



Amphigenia elongata undulata Hall. Ui). Helderberg (Dev.). 



Amphigenia elongata var. undulata Hall, Pal. New York, IV, 1867, p. 384, pi. 



58 A, iigs. 25-27. 

 Loc. Mackinac, Michigan. 

 AMPHISTROPHIA Hall and Clarke. Oeiiotype Strophoiiella striata 



Hall. 



Amphistrophia Hall and Clarke, Pal. New York, VIII, Pt. I, 1892, p. 292; — 



Eleventh Ann. Rep. N. Y. State Geologist, 1894, p. 283. 

 Obs. Proposed as a subgenus of Strophonella. 



ANABAIA Clarke. Genotype A. i)araia Clarke. 



Auabaia Clarke, Pal. New York, VIII, Pt. 11,1893, p. 141.— Hair and Clarke, 

 Thirteenth Ann. Rep. N. Y. State Geologist, 1895, p. 805. 



Anabaia paraia Clarke. Silurian. 



Anabaia paraia Clarke, Pal. New York, VIII, Pt. II, 1893, p. 141, ligs. 124-127. 

 Loc. Rio Trombetas, Province of Para, Brazil. 



ANASTROPHIA Ihill. Genotype Pentanierus verneuili Hall. 



Brachynicrus Shaler (non Dej., 1834), Bull. Mns. Comp. Zool., 4, 1865, p. 69. 



Anastrophia Hall, Twentieth Rep. N. Y. State Cab. Nat. Hist., 1867, p. 163;— Pal. 

 New Y'ork, IV, 1867, p. 374.— Nettelroth, Kentucky Fossil Shells, Mem. Ken- 

 tucky Geol. Survey, 1889, p. 47.— Hall and Clarke, Pal. New York, VIII, Pt. II, 

 1893, p. 224;— Thirteenth Ann. Rep. N. Y. State Geologist, 1895, p. 839. 



Anastrophia brevirostris (Sowerby!) Hall. Niagara (Sil.). 



Terebratula brevirostris Sowerby, Murchison's Sil. System, 1839, p. 631, pi. 13, 



fig. 15. 

 Atrypa brevirostris? Hall, Pal. New York, II, 1852, p. 278, pi. 58, fig. 1. 

 Pentamerua brevirostris Hall, Twelfth Rep. N. Y. State Cab. Nat. Hist., 1859, p. 77. 

 Rhyuchouella brevirostris Billings, Geol. Canada, 1863, p. 315, fig. 324. 

 Loc. Lockport, New York. 

 Ois. Compare with Anastrophia interplicata. If a pentameroid, this species is 



probably identical with Anastrophia interplicata Hall. 



Anastrophia hemiplicata W. and S. = Parastrophia hemiplicata. 



Anastrophia internascens Hall. Niagara (Sil,). 



Anastrophia verneuili Hall (non Hall, 18.59), Twenty -eighth Rep. N. Y. State 

 Mus. Nat. Hist., Doc. ed., 1876, pi. 26, figs. 41-49. 



Anastrophia internascens Hall, Ibidem, 1879, p. 168, pi. 26, figs. 41-49; — Eleventh 

 Rep, State Geol. Indiana, 1882, p. 311, pi. 26, figs. 41-49.— Nettelroth, Kentucky 

 Fossil Shells. Mem. Kentucky Geol. Survey, 1889, p. 47, pi. 32, figs. 17-20.— 

 Beecher and Clarke, Mem. N. Y. State Mus., 1, 1889, p. 32, pi. 3, figs. 14-16.— 

 Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 224, pi. 63, fig. 30. 



Loc. Waldron, Indiana ; Louisville, Kentucky ; Milwaukee, Wisconsin. 



