946 INDEX GENERUM MAMMALIUM. 
HEGETOTHERIDZE. 
FAMILIES AND SUBFAMILIES. 
Hegetotheridw AMEGHINO, Feb., 1894. -achyrucidx LYDEKKER, Mar., 1894. 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
Degonia ESO DEDE sl) () Itt E Degonia kollmanni, D. synapathica, Lago Musters, 
Patagonia. 
Eohegetotherium AMEGHINO, 1901.... Eohegetotherium priscum, Patagonia. 
Eopachyrucos AMEGHINO, 1901...... Eopachyrucos pliciferus, Patagonia. 
Hegetotherium AMEGHINO, 1887...... Hegetotherium mirabile (type), MH. strigatum, 
southern Patagonia. 
Pachyrukhos AMEGHINO, 1885....... Pachyrukhos moyani, Rio Santa Cruz, Patagonia. 
Paedotherium BvnRMEIsTER, 1888..... Paedotherium insigne, Monte Hermoso, Argen- 
tina. 
Prohegetotherium AMEGHINO, 1897... Prohegetotherium sculptum, Patagonia. 
Propachyrucos AMEGHINO, 1897 ..... Propachyrucos smith-woodwardi, P. crassus, Pata- 
gonia. 
Prosotherium AMEGHINO, 1897 ...... Prosotherium garzoni, P. triangulidens, P. ro- 
bustum, Patagonia. 
Pseudopachyrucos AMEGHINO, 1901... Pseudopachyrucos foliiformis, Patagonia. 
Selatherium AMBGHINO, 1894........ Selatherium pachymorphum, S. remissum, Pata- 
gonia. 
Tremacyllus AMEGHINO, 1891 ....... Pachyrucos impressus, Monte Hermoso, Argen- 
tina. 
INTERATHERIDZE. 
FAMILIES AND SUBFAMILIES. 
Interatheride AMEGHINO, 1887. Tembotheridz: AMEGHINO, 1887. 
Protypotheride AMEGHINO, 1891. 
GENERA AND SUBGENERA. 
Name, authority, and date. Type or included species, and localities. 
Archeophylus AMEGHINO, 1897...... Archxophylus patrius, Patagonia. 
Cochilius AMEGHINO, 1902 .......... Cochilius volvens. C. pendens, C. columnifer, Pata- 
gonia. 
Jcochilus AMEGHINO, 1889 .......... Icochilus extensus, I. excavatus, I. undulatus, I. ro- 
tundatus, Rio Santa Cruz, Patagonia. 
** Interatheriwun Moreno, July, 18827. Interatherium rodens, Rio Santa Cruz, Patagonia. 
Patriarchus AMEGHINO, 1889........ Patriarchus palmidens, Rio Santa Cruz, Pata- 
gonia. 
** Protupotherium AMEGHINO, Mar., Protypotherium | antiquum, Rio Paraná, Argen- 
1882." tina. 
*Tembotherium MorENO, July, 1882" .. Tembotherium holmbergii, Rio Santa Cruz, Pata- 
gonia. 
** Toxodontophanus Moreno, July, Toxodontophanus australis, Rio Santa Cruz, Pata- 
1882." gonia. 
PACHYRUCIDZE. (See HEGETOTHERIDZ. ) 
TYPOTHERIIDZE. 
FAMILIES AND SUBFAMILIES. 
Ameghinotheriid: PopEsrÁ, 1898, Typotheriide LYDEKKER, 1886. 
Mesotheriide Auston, 1876. 
