Oryctocephaloides Zhang et al., 1980 Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Animalia phylum Arthropoda class Trilobita order Corynexochida family Oryctocephalidae genus Oryctocephaloides Name Homonyms Oryctocephaloides Chien & Yuan, 1978 Oryctocephaloides Zhang et al., 1980