Ascidicolidae Thorell, 1860
Haplostomides amarouci (Blake, 1929)
Haplostomides beaumonti (Scott T. & A., 1895)
Haplostomides bellus Ooishi & Illg, 1977
Haplostomides brementi Chatton & Harant, 1924
Haplostomides gottoi Ooishi, 2008
Haplostomides hawaiiensis Ooishi, 1994
Haplostomides hibernicus (Scott T. & A., 1895)
Haplostomides luteolus Ooishi & Illg, 1977
Haplostomides otagoensis Ooishi, 2001
Haplostomides sanamyani Marchenkov & Boxshall, 2003
Haplostomides scotti Chatton & Harant, 1924
