The spelling Tubucella mammillaris is not the original. Tubucella mamillaris is recorded from the Eocene of Europe. The SEM is by courtesy of Dennis Gordon and NIWA. The specimen is from France, from the Voigt Collection. Tubucella may be more appropriately placed in the Family Margarettidae.
Original description: Eschara mamillaris Milne Edwards, 1836
Locality: France.
Type specimen: