Baylea giffordi (FOSSIL) A.H. Worthen, 1884 †
Apachella glabra (FOSSIL) Batten, 1989 †
Conotoma glandiformis (FOSSIL) (Lindström, 1884 †)
Glabrocingulum glans (FOSSIL) (de Koninck, 1883 †)
Mourlonia globosa (FOSSIL) (Holzapfel, 1882 †)
Glabrocingulum globosum (FOSSIL) B.S. Kues & Batten,2001 †
Paffratholoron goldfussi (FOSSIL) Frýda, 2000 †
Buechelia goldfussi (FOSSIL) F. Schlüter, 1894 †
Manitobiella goniostoma (FOSSIL) (J.J.F. Whiteaves,1890 †)
Odontomaria gracilis (FOSSIL) Frýda & al., 2006 †
Conotoma gradata (FOSSIL) (Lindström, 1884 †)
Ferganispira gradussiformis (FOSSIL) Licharev, 1967 †
Glabrocingulum granulosum (FOSSIL) W.J. Gordon& E.L. Yochelson, 1987 †
Glabrocingulum grayvillense (FOSSIL) (Norwood & Pratten,1855 †)
Mourlonia gryphoides (FOSSIL) J. Perner, 1907 †
Mourlonia guestphalica (FOSSIL) E.F.R.K. Koken, 1889 †
Austroneilsonia gundyensis (FOSSIL) E.K. Yoo, 1988 †
Ananias guojiashanensis (FOSSIL) Tong & Erwin, 2001 †
Breizospira hagenensis (FOSSIL) Heidelberger & Koch,2005 †
Calvibembexia hebe (FOSSIL) (J.W. Hall, 1861 †)
Umbotropis helcinia (FOSSIL) (Lindström, 1884 †)
Luciellina helicinoides (FOSSIL) F. McCoy, 1844 †
Nordospira hennigsmoeni (FOSSIL) E.L. Yochelson, 1966 †
Coelozone hermannsteini (FOSSIL) Heidelberger, 2001 †
Euconospira hermosana (FOSSIL) Girty, 1934 †
Baylea heterocarinata (FOSSIL) Pan, 1985 †
Pleurorima hoffmannae (FOSSIL) Blodgett & Johnson,1992 †
Buechelia horizontalis (FOSSIL) Heidelberger & K. Bandel,1999 †
Deacheospira hotzi (FOSSIL) (Rohr, 1980 †)
Baylea huecoensis (FOSSIL) Batten, 1989 †
Apachella huecoensis (FOSSIL) Batten, 1989 †
Euryzone hullensis (FOSSIL) Cook & al., 2003 †
Vesperispira humboldtiana (FOSSIL) Yancey & al., 2000 †
Deacheospira hyperboraea (FOSSIL) (E.F.R.K. Koken, 1889 †)
Mourlonia hyphantes (FOSSIL) (F.B. Meek, 1873 †)