Petromyzon argenteus Chiereghini, 1847 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Petromyzonti order Petromyzontiformes family Petromyzontidae genus Lampetra species Lampetra fluviatilis Name Homonyms Petromyzon argenteus Bloch, 1795 Petromyzon argenteus Kirtland, 1838 Petromyzon argenteus Nardo, 1847 Petromyzon argenteus Chiereghini, 1847