Ammothea spinosa (Stimpson, 1853) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Pycnogonida order Pantopoda family Ammotheidae genus Achelia species Achelia spinosa Name Homonyms Ammothea spinosa (Hodgson, 1907) Ammothea spinosa (Stimpson, 1853)