| Main Ref. | Rumrill, S.S., J.T. Pennington and F.-S. Chia, 1985 | ||
| Predator stage | recruits/juv. | ||
| Food I | zoobenthos | ||
| Food II | echinoderms | ||
| Food III | n.a./other echinoderms | ||
| Food group | Dendrasteridae | Prey Stage/Part | recruits/juv. |
| Food name | Dendraster excentricus | ||
| Commonness | |||
| Country | Canada | ||
| Remark | Zoeae of Cancer productus feeds on eggs, embryos and larvae of this sand dollar. | ||