Bitaunioceras texanum Miller & Youngquist, 1947 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda order Orthocerida family Orthoceratidae genus Bitaunioceras species Bitaunioceras texanum Name Homonyms Bitaunioceras texanum Miller & Youngquist, 1947