An even larger species of Repenomamus was also noted in the 2005 paper, this one named Repenomamus giganticus, with a skull 50 percent larger than that of the smaller species.

2005 年的论文还提到了一种体型更大的 Repenomamus 物种，名为 Repenomamus giganticus，其头骨比较小物种的头骨大 50%。