Gwyneddichnium majore Bock, 1952 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata family Tanystropheidae genus Gwyneddichnium species Gwyneddichnium majore Name Synonyms Gwyneddichnium elongatum Bock, 1952 Gwyneddichnium minore Bock, 1952 Homonyms Gwyneddichnium majore Bock, 1952