? spinifer Kobayashi & Hamada, 1979 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Arthropoda class Trilobita order Proetida family Brachymetopidae Name Homonyms ? spinifer de Saussure, 1858 ? spinifer Forsskål, 1775 ? spinifer Kobayashi & Hamada, 1979 ? spinifer Smith, 1914 ? spinifer Koch, 1835