Nanopsis is a genus of very small sea snails, marine gastropod molluscs in the family Cerithiopsidae.
This genus is no longer accepted as the name is preoccupied by Nanopsis Freytag, 1974 (an insect of order Homoptera)
Species in the genus Nanopsis have become synonyms, accepted under Cerithiopsis or Joculator, in most cases in the original combination:
Nanopsis albovittata (C. B. Adams, 1850): synonym of Cerithiopsis albovittata (C. B. Adams, 1850)
Nanopsis beneitoi (Rolán, Espinosa & Fernández-Garcés, 2007): synonym of Cerithiopsis beneitoi Rolán, Espinosa & Fernández-Garcés, 2007
Nanopsis buzzurroi Cecalupo & Robba, 2010: synonym of Cerithiopsis buzzurroi (Cecalupo & Robba, 2010)
Nanopsis denticulata Cecalupo & Robba, 2010: synonym of Cerithiopsis denticulata (Cecalupo & Robba, 2010)
Nanopsis familiarum (Rolán, Espinosa & Fernández-Garcés, 2007): synonym of Cerithiopsis familiarum Rolán, Espinosa & Fernández-Garcés, 2007
Nanopsis granata (Kay, 1979): synonym of Joculator granatus Kay, 1979
Nanopsis hadfieldi (Jay & Drivas, 2002): synonym of Cerithiopsis hadfieldi Jay & Drivas, 2002
Nanopsis iuxtafuniculata (Rolán, Espinosa & Fernández-Garcés, 2007): synonym of Cerithiopsis iuxtafuniculata Rolán, Espinosa & Fernández-Garcés, 2007
Nanopsis lamyi (Jay & Drivas, 2002): synonym of Cerithiopsis lamyi Jay & Drivas, 2002
Nanopsis myia (Jay & Drivas, 2002): synonym of Joculator myia Jay & Drivas, 2002
Nanopsis nana (Jeffreys, 1867): synonym of Cerithiopsis nana Jeffreys, 1867
Nanopsis parvada (Rolán, Espinosa & Fernández-Garcés, 2007): synonym of Cerithiopsis parvada Rolán, Espinosa & Fernández-Garcés, 2007
Nanopsis pulvis (Issel, 1869): synonym of Cerithiopsis pulvis (Issel, 1869)
