Oredezhosteus livonicus (Obruchev & Mark-Kurik, 1965) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata family Psammosteidae genus Oredezhosteus species Psammosteus livonicus Name Homonyms Oredezhosteus livonicus (Obruchev & Mark-Kurik, 1965)