? incertum d'Archiac & de Verneuil, 1842 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Mollusca class Cephalopoda order Agoniatitida family Triainoceratidae Name Homonyms ? incertum Fucini, 1905 ? incertum d'Archiac & de Verneuil, 1842 ? incertum A.B.Meyer, 1874 ? incertum Schlosser, 1884