| Predator name | unidentified | Main Ref. | Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983 |
| Predator group | porpoises | Predator stage | juv./adults |
| Predator I | mammals | Predator II | whales/dolphins |
| Prey stage | juv./adults | ||
| % of stomach contents | - | ||
| Locality | Not specified | ||
| Country | - | ||