Protoscaphirhynchus squamosus Wilimovsky, 1956 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata order Acipenseriformes family Acipenseridae genus Protoscaphirhynchus species Protoscaphirhynchus squamosus Name Homonyms Protoscaphirhynchus squamosus Wilimovsky, 1956