Vermicularia woodringi (FOSSIL) A.A. Olsson & A. Harbison,1953 †
Turritella woodsi (FOSSIL) Lisson, 1925 †
Turritella xylina (FOSSIL) R.L. Squires & Saul,2006 †
Tachyrhynchus yanamii (M. Yokoyama, 1926)
Colpospira yarramundi (T.A. Garrard, 1972)
Turritella yucatecana W.H. Dall, 1881
Turritella zinboi (FOSSIL) F.S. MacNeil, 1960 †
Mesalia zitteli (FOSSIL) Awad & Abed, 1967 †