490 IVORY AND THE ELEPHANT 



Subg. name Megahelodon proposed. 

 Pliocene. Nebraska (Snake River). 



GOMPHOTHERIUM (MaMMUT) 



OBSCUHUM (Leidy). 

 1869 Jour. Acad. Nat. Sci. Phila. (2) VII, 



p. 396 (Mastodon). 

 Miocene. Maryland, N. Carolina, S. 



Carolina, Colorado (Pliohippus beds). 



GOMPHOTHERIXIM (MaSTODON) 



PANDiONis Falconer. 

 1868 Palseontological Memoirs, I, p. 124. 

 = Tetrabelodon pandionis Cope, 1884. Proc. 



Am. Phil. Soc, XXII, p. 5. 

 Pliocene (Upper Miocene?). India (Perim 



Island, Sind?, Punjab, N. W. frontier), 



China. 



GOMPHOTHERIUM (MaSTODON) 



PENTELici Gaudry and Lartet. 



1856 Comptes Rendus, XLIII, p. 273 

 (M. pentelicus). 



= Tetrabelodon pentelici Cope. Proc. Am. 

 Phil. Soc, XXII. p. 5, 1884. 



Lower Pliocene (Pikermi). Greece, Hun- 

 gary, N. W. Persia. 



GOMPHOTHERIUM (MaMMTJT) 



PROAVUM (Cope). 



1873 Syn. new Vert. Tert. Colo., p. 10 

 (Mastodon). 



Miocene. Kansas, Nebraska, Colorado, 

 New Mexico. 



GOMPHOTHERIUM (MaMMUt) 



PRODUCTUM (Cope). 



1874 Proc. Acad. Nat. Sci. Phila., p. 221 

 (Mastodon). 



— Tetrabelodon prodvctus Matthew. 

 Miocene. New Mexico. 



GOMPHOTHERIUM (MaMMUT) 

 SERRIDENS (Cope). 



1884 Am. Nat., XVIII, pp. 524, 525 



(Mastodon). 

 = Tetrabelodon serridens Matthew. 

 Miocene. Texas. 



GOMPHOTHERIUM (MaMMUT) 



shepardi (Leidy). 

 1870 Proc. Acad. Nat. Sci. Phila.. p. 98 



(Mastodon). 

 = Dibelodon shepardi Cope. 

 = Tetrabelodon shepardi Matthew. 

 Pliocene. California, Texas, Kansas, 



Mexico. 



GOMPHOTHERIUM (MaSTODOn) 



turicensis Schinz. 

 1833 Denkschr. schw. Ges. Nat., Vol. I, 



pt. 2, p. 59. 

 = Mastodon tapiroides auct. 

 = Tetrabelodon turicensis. Cope, 1884. Proc. 



Am. Phil. Soc., XXII, p. 5. 

 Middle Miocene. France, Germany, 



Austria-Hungary, Russia. 



GOMPHOTHERIUM (TeTRABELODOn) 



wiLUSTONi Barbour. 

 1914 Univ. Nebraska Studies, XIV, No. 2, 



pp. 8-10. 

 Pliocene. Nebraska. 



EuBELODON morrilli Barbour. 

 1914 Univ. Neb. Studies, XIV, No. 2, pp. 



10-13. 

 Pliocene. Nebraska. 



Tetralophodon (Mastodon) 

 ARVERNENSis Croizct and Jobert. 

 1828 Oss. Foss. d. Puy-de-Dome, p. 138. 

 = Mastodon brevirostris Gervais, 1854. 



Ann. Sc. Nat. (3) V. 

 = Mastodon dissimilis Jordan, 1858. Ann. 



Soc. Agric. Lyon (3) II. 

 = Anancus macroplus Aym^rd, 185'i. Ann. 



Soc. Agric. Sci. de Puy, p. 597. 

 Lower Pliocene, Upper Pliocene. France, 



Italy, Germany, Croatia, etc., and Red 



Crag of England. 



Tetralophodon (Mastodon) 



ATTicus Wagner. 



1857 Abh. math.-phys. CI. k.-bay. Ak. 



Wiss., viii, pt. 1, p. 140. 

 Allied to M. longirosiris — more specialized, 



symphysis imknown. H. Woodward. 

 Lower Pliocene (Pikermi). Greece. 



TETR.A.LOPHODON (M.\MMUT) 



campester (Cope). 

 1878 Proc. Am. Phil. Soc, XVII, p. 225 



(Tetralophodon). 

 = Tetrabelodon campester Cope. 

 = Mastodon campester Cope. 

 Miocene. Kansas, Nebraska. 



Tetralophodon (Mastodon) 



CAUTLETi Lydekker. 



1886 Palaeontologia Indica (Mem. Geol. 



Surv. India), ser. 10, III, p. xiv. 

 Pliocene. India (Perim Island). 



