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Litoceras calciferum Billings 1865 (mollusk)

Cephalopoda - Trocholitidae

Alternative combination: Tarphyceras calciferum

Belongs to Litoceras according to E. O. Ulrich et al. 1942

Sister taxa: Litoceras versutum, Litoceras whiteavsi

Ecology: fast-moving nektobenthic carnivore