Proterochersis robusta Fraas, 1913 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata family Proterochersidae genus Proterochersis species Proterochersis robusta Name Synonyms Chelytherium obscurum Meyer, 1863 Proterochersis intermedia Fraas, 1913 Homonyms Proterochersis robusta Fraas, 1913