Diplopoma osberti (Tristram, 1861) | 
Diplopoma rigidulum (Morelet, 1851) | 
Gouldiopoma coltrorum Watters, 2014 | 
Gouldipoma cf. chiapasense (Crosse & Fischer, 1877) | 
Gouldipoma chiapasense (Crosse & Fischer, 1877) | 
Gouldipoma rubicundum (Morelet, 1849) | 
Halotudora aff. kuesteri (Pfeiffer, 1852) | 
Halotudora cf. kuesteri (Pfeiffer, 1852) |
Halotudora gaigei (Bequaert & Clench, 1931) | 
Halotudora kuesteri (L. Pfeiffer, 1852) | 
Halotudora kuesteri sargi (Crosse & Fischer, 1883) | 
Halotudora sp. 173732 | 
Parachondrops acerbulus (Morelet, 1851) | 
Parachondrops cf. acerbulus (Morelet, 1851) | | |
