Target one "Paleozic" Xyz Monster or Trap Card in your graveyard; if it is an Xyz monster, Special Summon it, if it is a trap, Special Summon it card as a Normal Monster (Aqua-Type/WATER/Level 2/ATK 1200/DEF 0). (It is NOT treated as a Trap Card.) Once per Chain, when a Trap Card is activated while this card is in your Graveyard: You can Special Summon this card as a Normal Monster (Aqua-Type/WATER/Level 2/ATK 1200/DEF 0). (This card is NOT treated as a Trap Card.) If Summoned this way, this card is unaffected by monster effects, also banish it when it leaves the field.
"Paleozoic" monsters can't be destroyed by battle or card effects during this turn. Once per Chain, when a Trap Card is activated while this card is in your Graveyard: You can Special Summon this card as a Normal Monster (Aqua-Type/WATER/Level 2/ATK 1200/DEF 0). (This card is NOT treated as a Trap Card.) If Summoned this way, this card is unaffected by monster effects, also banish it when it leaves the field.
Once per turn, during your opponent's turn, if a Chain of 4 links or higher resolves; return up to two cards on the field to their owner's hand. You can banish this card from your graveyard: add one "Paleozoic" card from your graveyard or banished zone to your hand, except "Paleozoic Shale"