Collignoniceras woollgari regulare (FOSSIL) (F. Haas, 1946 †)
Prionocyclus wyomingensis (FOSSIL) F.B. Meek, 1876 †
Neogauthiericeras zafimahovai (FOSSIL) M. Collignon, 1969 †
Paratexanites zeilleri (FOSSIL) (Grossouvre, 1894 †)
Zuluiceras zulu (FOSSIL) van Hoepen, 1965 †
Reginaites zulu (FOSSIL) Klinger & J. Kennedy,1980 †