BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 93 



Atrypa orbicularis — Continued. 

 Ordovician: Iowa. 



Observation. — Not recognized. Figure represents internal cast of some unde- 

 termined brachiopod. 



Atrypa phoca of authors. See Lissatrypa plioca. 



Atrypa planoconvexa Hall. See Coelospira planoconvexa. 



Atrypa plena Hall. See Camarotoecliia plena. 



Atrypa plicata Hall. See Rhynchonella plicata. 



Atrypa plicatella Hall. See Rhynchonella i^licatella. 



Atrypa plicatula Hall. See Coelospira plicatula. 



Atrypa plicifera Hall. See Camarotcechia plena. 



Atrypa praemarginalis Savage. 



Atryi^a prtemarginalis Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 84, ])1. 4, 



figs. 14-16. 

 Upper Medinan (Edgewood): Near Edgewood and Watson Station, Pike County, 

 Missouri; near Thebes, Illinois. 



Atrypa prisca Vanuxem. See Atrypa reticularis. 



Atrypa putilla (Hall and Clarke). 



Zygospira putilla Hall and Clarke, Pal. New York, 8, pt. 2, 1893, p. 157, fig. 150; 

 p. 365, pi. 54, figs. 35-37; pi. 83, figs. 29, 30.— Hall, 48th Rep. New York 

 State Mus., 2, 1897, p. 362, pi. 9, figs. 31, 32.— Hall and Clarke, 14th Rep. 

 State Geol. New York for 1894, 1897, p. 362, pi. 9, figs. 31, 32. 



Atrypa putilla Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 85, pi. 4, fig. 25. 



Upper Medinan (Edgewood): Thebes, Illinois; Edgewood and Louisiana, Mis- 

 souri. 



Atrypa quadricostata Hall. See Hyattidina congesta. 



Atrypa recurvirostris Hall. See Zygospira recurvirostris. 



Atrypa reticularis (Linnaeus). 



Anomia reticularis Linnaeus, Syst. Nat., 12th ed., 1, 1767, p. 1132. 



Atrypa chemungensis Conrad, Jour. Acad. Nat. Sci. Philadelphia, 8, 1842, p. 265. — 



Vanuxem, Geol. New York, Rep. 3d Dist., 1842, p. 182, fig. 4. 

 Hipparionyx consimilaris Vanuxem, Geol. New York, Rep. 3d Dist., 1842, p. 132, 



fig. 2. 

 Atrypa affinis Vanuxem, Geol. New York, Rep. 3d Dist., 1842, p. 88, fig, 12, — 



Hall, ibid.. Rep. 4th Dist., 1843, p. 88, fig. 12. 

 Atrypa prisca Vanuxem, Geol. New York, Rep. 3d Dist., 1842, p. 139, fig. 5. — 



Hall, ibid., Rep. 4th Dist., 1843, p. 175, fig. 5; p. 198, fig. 4.— Owen, GeoL 



Expl. Iowa, Wisconsin, Illinois, 1844, pi. 12, figs. 2, 10. — Billings, Canadian 



Nat. Geol., 1, 1856, p. 474, pi. 7, fig. 11. 

 Atrypa lentiformis Vanuxem, Geol. New York, Rep. 3d Dist., 1842, j). 163, fig. 3, 



p. 164.— Hall, ibid.. Rep. 4th Dist., 1843, p. 215, fig. 3. 

 Strophomena ithacensis Vanuxem GeoL New York, Rep. 3d Dist., 1842, p. 174, 



fig. 2. 

 Atrypa tribulis Hall, Geol. New York, Rep. 4th Dist., 1843, p. 271, fig. 3. 

 Terebratula prisca Castelnau, Essai Syst., Sil. I'Amdrique Septent., 1843, p. 40, 



pi. 13, fig. 8. 



