Gosseletina wanneri (FOSSIL) Hamlet, 1928 † Pakistan, Punjab, Sargodha
Platyteichum waterhousei (FOSSIL) (R. Etheridge jr.,1898 †) New Zealand, Southland
Euconospira waterlooensis (FOSSIL) (Weller, 1916 †) USA, Illinois, Iroquois
Baylea weiningensis (FOSSIL) Xi, 1994 †
Ananias welleri (FOSSIL) (Newell, 1935 †) Kansas
Hypselentoma welleri (FOSSIL) A. Thomas, 1940 † UK, Scotland
Neilsonia welleri (FOSSIL) Thein & Nitecki, 1974 † USA, Illinois, Randolph
Eoangyomphalus weyanti (FOSSIL) Blodgett & al., 1999 † Canada, Quebec, Minganie-Basse-Cote-Nord
Ananias weyeri (FOSSIL) Heidelberger & al.,2009 † Morocco, cap Cantin
Cataschisma winkleri (FOSSIL) E.F.R.K. Koken& J. Perner, 1925 †
Pleurorima wisbeyensis (FOSSIL) (Lindström, 1884 †) Sweden, Gotland
Dictyotomaria wortheni (FOSSIL) (Weller, 1916 †) USA, Illinois, Iroquois
Baylea yabeshigerui (FOSSIL) O. Kobayashi, 1931 † China, Nei Mongol, Xing'an
Globodoma yakowlewi (FOSSIL) Mazaev, 2006 † Russia, Arkhangel'sk, Kholm Village
Dictyotomaria yochelsoni (FOSSIL) Thein & Nitecki, 1974 † USA, Illinois, Randolph
Glyptotomaria yochelsoni (FOSSIL) Knight 1945 †
Nordospira yochelsoni (FOSSIL) Sabattini, 1995 †
Nipponomaria yokoyamai (FOSSIL) (I. Hayasaka, 1943 †) Japan, Gifu
Austroneilsonia yooi (FOSSIL) Cook & A. Nützel, 2005 † Australia, Queensland, Dalrymple
Baylea yvanii (FOSSIL) (Léveillé, 1835 †) Belgium