Astacolus tenuissima (Heron-Allen & Earland, 1932) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Foraminifera order Vaginulinida family Vaginulinidae genus Astacolus species Astacolus tenuissima Name Synonyms Cristellaria tenuissima Heron-Allen & Earland, 1932 Vaginulina tenuissima (Heron-Allen & Earland, 1932) Homonyms Astacolus tenuissima (Heron-Allen & Earland, 1932)