Proadinotherium leptognathum Ameghino, 1894 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Mammalia family Toxodontidae genus Proadinotherium species Proadinotherium leptognathum Name Homonyms Proadinotherium leptognathum Ameghino, 1894