Acmostomum obscurum (An der Lan, 1936) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Platyhelminthes order Prolecithophora family Plagiostomidae genus Acmostomum species Acmostomum obscurum Name Synonyms Haploophorum obscurum (An der Lan, 1936) Plagiostomum obscurum An der Lan, 1936 Homonyms Acmostomum obscurum (An der Lan, 1936)