Hylonomus lyelli Dawson, 1860 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata family Protorothyrididae genus Hylonomus species Hylonomus lyelli Name Synonyms Fritschia curtidentata (Dawson, 1876) Hylerpeton curtidentatum (Dawson, 1876) Homonyms Hylonomus lyelli Dawson, 1860