Acrocephalites americanus (Walcott, 1916) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Trilobita order Ptychopariida family Alokistocaridae genus Altiocculus species Acrocephalites americanus Name Synonyms Alokistocare americanum (Walcott, 1916) Altiocculus americanum (Walcott, 1916) Homonyms Acrocephalites americanus (Walcott, 1916)