Sluha cambriensis (FOSSIL) (Hicks, 1873 †)
Malletia carinata (FOSSIL) Krishtofovich, 1984 †
Spineilo carinata (FOSSIL) Kalishevich, 1973 †
Carinineilo carinifera (T. Habe, 1951)
Australoneilo casei (FOSSIL) Zinsmeister & Macellari,1988 †
Malletia caterinii (FOSSIL) (Appelius 1873) †
Nuculites catherinae (FOSSIL) C. Gemmellaro 1896 †
Palaeoneilo centralis (FOSSIL) Reed, 1944 †
Malletia chilensis C. des Moulins, 1832
Neilo compta (G.B. III Sowerby, 1904)
Katadesmia confusa (FOSSIL) (Seguenza 1877) †
Malletia conspicua E.A. Smith, 1895
Palaeoneilo constricta (FOSSIL) (Conrad) †
Myoplusia contrastans (FOSSIL) (Barrande, 1881 †)
Malletia convexa (FOSSIL) Kalishevich, 1981 †
Johnmartinia cordata (FOSSIL) Pojeta& Gilbert-Tomlinson, 1977 †
Lophoconcha corrugata (FOSSIL) (R. Tate, 1896 †)
Malletia cumingii (S.C.T. Hanley, 1860)
Katadesmia cuneata (J.G. Jeffreys, 1876)
Nuculites cuneatus (FOSSIL) J.W. Hall 1852 †
Palaeoneilo cuneiformis (FOSSIL) Y. Fang, 1987 †
Nuculites cylindricus (FOSSIL) (Portlock) †
Nuculites cylinrdicus (FOSSIL) (Portlock) †
Nuculites delawarensis (FOSSIL) Girty 1909 †
Neilo delli B.A. Marshall, 1978
Dysodonta deprati (FOSSIL) Mansuy, 1913 †
Malletia dilatata (R.A. Philippi, 1844)
Neilo doellojuradoi (FOSSIL) Malumian & al., 1978 †
Metapalaeoneilo dromon (FOSSIL) Kríž & Steinová, 2009 †
Malletia dunkeri E.A. Smith, 1885
Nuculites eductus (FOSSIL) C. Gemmellaro 1896 †
Palaeoneilo elliptica (FOSSIL) (G.A. Goldfuss, 1837 †)
Spineilo elongata (FOSSIL) (P. Marshall, 1917 †)
Malletia encrypta B. Prashad, 1932
Malletiella epicorniana (FOSSIL) (Krishtofovich 1984) †