Whenever you summon any creature they share all evolutions that your eidolon has. Note: Summons will not change size, but will share the stat increases from the Large evolutions.
773dcb33afbd4417af89c9038c12b0a3 EvolvedSummonsFeature
773dcb33afbd4417af89c9038c12b0a3
EvolvedSummonsFeature