Tentaculites Schlotheim, 1820 †
Tentaculites cretaceus Blanckenhorn, 1890 † accepted as Hyalocylis striata (Rang, 1828)
Tentaculites jaculus J. M. Clarke, 1913 † (uncertain > unassessed )
Tentaculites maximus Ludwig, 1864 † accepted as Praehyalocylis maxima (Ludwig, 1864) †
Tentaculites maximus var. denseannulatus Ludwig, 1864 † accepted as Praehyalocylis maxima (Ludwig, 1864) †
Tentaculites maximus var. laxeannulatus Ludwig, 1864 † accepted as Praehyalocylis maxima (Ludwig, 1864) †
Tentaculites oseryi J. M. Clarke, 1899 † (uncertain > unassessed )
Tentaculites stubeli J. M. Clarke, 1899 † (uncertain > unassessed )
Tentaculitida †
Tentaculitidae Walcott, 1886 †