Cephalopoda - Ellesmerocerida - Ellesmeroceratidae

Synonyms: Annoceras elevatum Flower 1964, Annoceras perobliquum Foerste 1964, Ellesmeroceras angulatum Flower 1964, Ellesmeroceras fusiforme Flower 1964, Ellesmeroceras imbricatum Flower 1964, Ellesmeroceras progressum Flower 1964, Eremoceras magnum Flower 1964, Eremoceras perseptatum Flower 1964

Belongs to Annoceras according to Flower 1964

Sister taxa: Annoceras multicameratum, Annoceras vernonense

Ecology: nektobenthic carnivore