Caecum clarkii De Folin, 1868 Pliocene Italy
Caecum crispum Cerulli Irelli, 1912 Pliocene Italy
Caecum gougeroti Moroni & Ruggeri, 1985 Pliocene Italy
Caecum pulchellum Stimpson, 1851 Pliocene USA
Caecum subannulatum De Folin,1878 Pliocene Pleistocene Italy T
Caecum trachea (Montagu, 1803) Pliocene Pleistocene Italy T
