Fossils and Archeology Mod Revival Wiki
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Spawn & Sacs
Plesiosaurus egg sac
Plesiosaurus egg sac
Stack Size
16

In 7.3 only, any mobs that are purely aquatic (so, excluding the semi-aquatic spinosaurus and sarcosuchus) hatch from either spawn eggs or egg sacs. They do not function like non-avian eggs because they don't have a model or a waiting period, and they also do not function like avian eggs because they can't be thrown. They will also always hatch when right-clicked into water of sufficient area for the creature.

Process

Culture Vat GUI
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Mosasaurus DNA

Milk

Mosasaurus Sac


Spawn and Sacs all follow the same creation process as the eggs. DNA must be put in a culture vat to produce a sac or spawn, giving the player the achievement "What Species is this?". The sac or spawn will always match the species of the DNA cultivated. The cultivation process can sometimes fail, producing a failuresaurus and not an spawn or sac. When a male and female plesiosaurus, mosasaurus, or liopleurodon breed, they will drop an amniotic sac item that will not hatch unless used by a player. Fish and nautilus will occasionally drop spawn without mating (since they do not have genders), which also do not hatch unless used by a player.

Spawn/sacs can also be analyzed to revert them back into their DNA forms.

Analyzer GUI

Mosasaurus Sac






Mosasaurus DNA




Science

Birdegg Avian EggsBioGoo Bio-GooDinoegg Non-Avian EggsDna DNASyringe Embryo
Palm sapling Palaeoraphe Sapling (Palae Fossil Petrified) ■ Seeds Seeds & Spores (Fossilseeds Fossilized) ■
Bigsack Spawn & Sacs

Paleontology

Amber AmberPterosaur armBone Arm BoneBioFossil Bio-Fossil (Tar fossil Tar) (Plant fossil Plant) ■ Amber Dominican Amber
Emptyshell Empty ShellWww.GIFCreator.me f6gL2o Foot BoneIced Meat Frozen MeatSarcosuchus legBone Leg BoneMagic Conch Magic Conch
Skulls SkullGrid RibCage(Bone) Rib CageUnique Unique BonesBucket tar Tar Bucket (Tardrop Drop) ■ Grid Vertebrae Vertebrae

Archeology

Ancient key Ancient KeyGrid Ancient Helmet Ancient Helmet (Grid Broken Ancient Helmet Broken) ■ Grid Ancient Sword Ancient Sword (Grid Broken Ancient Sword Broken) ■
Record Fossil RecordPotteryShard Pottery ShardScarab Gem Scarab Gem (Scarab blue Aquatic) ■ Stone tableeeeet Stone Tablet
(Relic Scrap Scrap)

Food

Essence Of Chicken Chicken EssenceCooked egg Cooked EggFlesh Failuresaurus Flesh
Meat Raw Animal Meat (Cooked Cooked) ■ Stunted essence Poisonous Potato EssenceRaw Chicken Soup Raw Chicken Soup
(Cooked Chicken Soup Cooked) ■ Sio Chiu Le2 Sio-Chiu-Le

Tools

Ancient clock Ancient ClockDinopedia DinoPediaGrid Javelins JavelinGem Axe Scarab AxeGem Hoe Scarab Hoe
Gem Pickaxe Scarab PickaxeGem Shovel Scarab ShovelGem Sword Scarab SwordArmour Skull Armor
Skull Stick Skull StickSpawnegg Spawn EggsGrid Tooth dagger Tooth DaggerWhip Whip

Enrichment

Coelacanth live Ocean Live Coelacanth (Alligator gar Live Alligator Gar) (Nautilus (1) Live Nautilus) (Sturgeon-0 Live Sturgeon) ■
Ball Toy BallToy tethered log Tethered LogToy scratching post Scratching Post

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