1913 AMMONITES GAGATEUS 78c 



Comparable Species 



47 22 30 54 



Turrilites coynarti, d'Orbigny, 1843, xlii, 47 — F. 38, 23, 23, 55. 

 Am. planicosta ; Dumortier, 1867, II, xxv, 1, 2, (3 ?) — F. 48, 23, 



2 9» 55 — see Am. vesta. 

 Aegoceras gagateum; Blake, 1876, vi, 8 — F 32, 29, — , 54. 

 Am. vesta, Reynes, 1879, xlv, 47-49 — copy of Am. planicosta ; 



Dumortier. 

 Am. gagateus ; Id. l, 23, 24— F. 34, 25, 30, 55. 

 JEgoceras planicosta ; Geyer, 1886, 111, 20 — F. 25, 29, 31, 49. 



