| nothoceros cf. aenigmaticus villarreal 1027 | | Mexico: Morelos, Lagunas de Zempoala | | 330857850 |
| nothoceros cf. aenigmaticus villarreal 1027 | | Mexico: Morelos, Lagunas de Zempoala | | 330857952 |
| nothoceros cf. aenigmaticus villarreal 1027 | | Mexico: Morelos, Lagunas de Zempoala | | 330858048 |
| nothoceros cf. aenigmaticus villarreal 1027 | | Mexico: Morelos, Lagunas de Zempoala | | 330857998 |