Ischyodus dufrenoyi (Egerton, 1843) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Holocephali order Chimaeriformes family Callorhinchidae genus Ischyodus species Ischyodus dufrenoyi Name Synonyms ? dufrenoyi Egerton, 1843 Chimaera dufrenoyi (Egerton, 1843) Ischyodon dufrenoyi (Egerton, 1843) Homonyms Ischyodus dufrenoyi (Egerton, 1843)