Trapania is een geslacht van weekdieren uit de klasse van de Gastropoda (slakken).

Soorten 
 Trapania africana Edmunds, 2009
 Trapania armilla Gosliner & Fahey, 2008
 Trapania aurata Rudman, 1987
 Trapania aureopunctata Rudman, 1987
 Trapania bajamarensis Moro & Ortea, 2015
 Trapania benni Rudman, 1987
 Trapania bonellenae Valdés, 2009
 Trapania brunnea Rudman, 1987
 Trapania caerulea Gosliner & Fahey, 2008
 Trapania canaria Ortea & Moro, 2009
 Trapania circinata Gosliner & Fahey, 2008
 Trapania cirrita Gosliner & Fahey, 2008
 Trapania dalva Ev. Marcus, 1972
 Trapania darvelli Rudman, 1987
 Trapania darwini Gosliner & Fahey, 2008
 Trapania euryeia Gosliner & Fahey, 2008
 Trapania fusca (Lafont, 1874)
 Trapania gibbera Gosliner & Fahey, 2008
 Trapania goddardi Hermosillo & Valdés, 2004
 Trapania goslineri Millen & Bertsch, 2000
 Trapania graeffei (Bergh, 1880)
 Trapania hispalensis Cervera & Garcia-Gomez, 1989
 Trapania inbiotica Camacho-Garcia & Ortea, 2000
 Trapania japonica (Baba, 1935)
 Trapania lineata Haefelfinger, 1960
 Trapania luquei Ortea, 1989
 Trapania maculata Haefelfinger, 1960
 Trapania maringa Er. Marcus, 1957
 Trapania melaina Gosliner & Fahey, 2008
 Trapania miltabrancha Gosliner & Fahey, 2008
 Trapania naeva Gosliner & Fahey, 2008
 Trapania nebula Gosliner & Fahey, 2008
 Trapania orteai Garcia-Gomez & Cervera in Cervera & Garcia-Gomez, 1989
 Trapania pallida Kress, 1968
 Trapania palmula Gosliner & Fahey, 2008
 Trapania reticulata Rudman, 1987
 Trapania rudmani M. C. Miller, 1981
 Trapania safracornia Fahey, 2004
 Trapania sanctipetrensis Cervera, Garcia-Gomez & Megina, 2000
 Trapania scurra Gosliner & Fahey, 2008
 Trapania squama Gosliner & Fahey, 2008
 Trapania tartanella (Ihering, 1886)
 Trapania toddi Rudman, 1987
 Trapania tora Gosliner & Fahey, 2008
 Trapania velox (Cockerell, 1901)
 Trapania vitta Gosliner & Fahey, 2008

Goniodorididae