Cavellioropa cookiana (R.K. Dell, 1952) New Zealand, Wellington
Allodiscus cooperi H.H. Suter, 1907 New Zealand
Pilula cordemoyi (G. Nevill, 1870) La Reunion Island
Flammulina cornea F.W. Hutton, 1883 New Zealand, Auckland
Paryphantopsis corolla J. Slapcinsky& R. Lasley, 2007 Papua New Guinea, New Britain
Ngairea corticicola (J.C. Cox, 1866) New South Wales
Flammulina corymbus (J.C.H. Crosse, 1874)
Palikirus cosmetus G.A. Solem, 1983 Micronesia
Flammocharopa costulata (F.W. Hutton, 1883) New Zealand
Flammulina crebriflammis (L. Pfeiffer, 1853) New Zealand, South Island
Thermia cressida (F.W. Hutton, 1883) Sri Lanka
Alsolemia cresswelli (F.M. Climo, 1978) New Zealand, South Island
Neoparyphantopsis crusoeana F.A.W. Miquel& J.F. Araya, 2015 Chile, Juan Fernandez Island
Allodiscus cryptobidens (H.H. Suter, 1891) New Zealand
Flammoconcha cumberi (A.W.B. Powell, 1941) New Zealand
Oreokera cumulus (N.H. Odhner, 1917) Queensland
Luinodiscus cupreus (J.C. Cox, 1868) Western Australia
Roblinella curacoae (J.W. Brazier, 1871) Tasmania
Gyrocochlea curtisiana (C. Hedley, 1912) Queensland
Luinodiscus cygnea (W.H. Benson, 1853) Australia
Pillomena dandenongensis (W.F. Petterd, 1879) Australia, Victoria
Paryphantopsis dauloensis G.A. Solem, 1970 Papua New Guinea
Therasia decidua (L. Pfeiffer, 1857) New Zealand
Sinployea decorticata (A. Garrett, 1872) Cook Islands
Charopa decreta (J. Gassies, 1863)
Paracharopa delicatula F.M. Climo, 1983 New Zealand, Cape Reinga
Cavellia delli (F.M. Climo, 1969) New Zealand, Stewart Island
Hedleyoconcha delta (L. Pfeiffer, 1857) New South Wales6,7 mm
Rotacharopa densilamellata J. Stanisic, 1990 Queensland
Chaureopa depressa F.M. Climo, 1985 New Zealand
Pararhytida dictyodes (L. Pfeiffer, 1847) New Caledonia26,5 mm
Thryasona diemenensis (J.C. Cox, 1868) Tasmania
Otoconcha dimidiata (L. Pfeiffer, 1853) New Zealand, Auckland
Allodiscus dimorphus (L. Pfeiffer, 1853) New Zealand, Auckland
Dentherona dispar (J.W. Brazier, 1871) Tasmania