Wild Worlds

1.19, the first release of Prehistoric Update, is an upcoming major update with the possible release date in later fall, 2021. Focusing at implementing various prehistoric animals, and third winner of the 2018 Biome vote event; Desert.

Blocks
Limestone
 * Generates naturally in caverns and beaches.
 * Can only be mined with iron and diamond pickaxe.

Timetravel Block
 * Obtained by crafting a single limestone block with one obsidian and one glowstone dust.
 * Can be placed into a nether portal-shaped portal and lit with fire in order for the portal to work.
 * The timetravel portal has a green door as opposed to the nether portal's purple door.

Decayed wood
 * Generates only in the Prehistoric dimension.
 * Used by cavemen in order to make their own campfires.

Palm planks
 * Can be used to craft respective slabs, stairs, fences, fence gates, pressure plates, signs, buttons, doors and trapdoors.

Palm sapling
 * Can be dropped after destroying a palm leaves block.

Palm wood
 * Obtained from palm trees.

Items
Limestone sword
 * Is stronger than the iron sword, but not as strong as the diamond sword.
 * Crafted by using two limestones and a single stick.

Limestone axe
 * Is stronger than the iron axe, but not as strong as the diamond axe.
 * Crafted by using two limestones and three sticks.

Limestone pickaxe
 * Is stronger than the iron pickaxe, but not as strong as the diamond pickaxe.
 * Crafted by using three limestones and two sticks.

Limestone shovel
 * Is stronger than the iron shovel, but not as strong as the diamond shovel.
 * Crafted by using a single limestone and two sticks.

Limestone hoe
 * Is stronger than the iron hoe, but not as strong as the diamond hoe.
 * Crafted by using two limestones and two sticks.

Prehistoric Spear
 * Can be obtained by crafting a single dinosaur claw and two sticks together.
 * Has a same use as tridents, except without any enchantments.

Limestone ingot
 * Can be obtained by breaking gravel, although this has about 50% chance of happening.
 * Can be crafted into limestone block by crafting 4 limestone blocks together.

Stonechip
 * Is used by cavemen in order to light up campfires they have crafted.
 * Can be obtained by killing a caveman or if a caveman left the stonechip behind.

Mobs
Meerkat
 * Spawns naturally in deserts.
 * It is a passive mob to almost all mobs (including players), but is hostile towards silverfish and endermites.
 * It creates one width-block holes that can reach around 10-15 blocks long for safety from hostile mobs.
 * Its digging abilities in sand blocks doesn't cause sand collapsing despite its behavior.

Camel
 * Spawns naturally in deserts.
 * It is neutral mob and is basically a desert llama, even having the same spitting behavior as llamas.
 * Comes in two variants, the one-humped dromedary and the two-humped Bactrian camel.
 * It can be tamed much like the llama and be given a saddle as well as the carpet.

Caveman
 * Spawns naturally only in the Prehistoric taiga, forests, and plains of the Prehistoric dimension.
 * A neutral villager-like mob with animal skins over its torso.
 * Has the same model as villagers, but with player-like arms for grabbing items.
 * It will become hostile if provoked or if its village is destroyed by the player.
 * It can make campfires by crafting each decayed wood into campfire.

Woolly Mammoth
 * Spawns naturally only in the taigas, tundra, and plains in the Prehistoric dimension.
 * It is a neutral mob that only attacks if provoked or if its babies are harmed.
 * Unlike overworld's elephants, it is not tameable.
 * Drops 1-3 brown wool if killed.

Smilodon
 * Spawns naturally only in the plains and forests in the Prehistoric dimension.
 * It resembles a large maneless lion with large saber teeth and a short bobcat-like tail.
 * It is a hostile mob that will attack players that are within 10 blocks away.
 * Can be scared off by fireworks or throwing tridents.

Pterodactyl
 * Spawns naturally in every biome, except the cold biomes, in the Prehistoric dimension.
 * Pterodactyls have fur-like pycnofibers all over their bodies, they also have more rounded wing tips instead of pointed tips, are not shrink-wrapped, and do not grab prey with feet (instead they grab with their beaks/snouts), due to being made to be scientifically accurate while also being fitting for Minecraft.
 * Comes in 7 variants, the tiny bat-like earless nocturnal passive mob (based on real life anurognathids), the small long-tailed tooth-beaked daytime-and-nighttime passive mob (based on real life Rhamphorynchids), the medium-sized moon-shape-crested diurnal passive mob (based on real life Tapejarids), the slightly larger long-beaked toothy diurnal passive mob (based on real life Ornithocheirids), the large tall-crested toothless diurnal neutral mob (based on real life Pteranodon), and the gigantic long-necked long-beaked dirunal hostile mob (based on real life Quetzalclatlus and Hatzegopteryx).
 * Drops 1-3 membranes when killed.

T-Rex
 * Spawns naturally only in the plains of the prehistoric dimension.
 * It is a hostile mob that will attack any players that are within 15 blocks away.
 * Its model is based on more accurate depictions of real life Tyrannosaurus, having no shrink-wrapping nor pronated hands, it also has protofeathers on top of its head and neck as a baby to be up-to-date.
 * Drops 1-3 dinosaur claws when killed.

Raptor
 * Spawns naturally in all land biomes in the Prehistoric dimensions.
 * Based on and is inspired by the accurate paleocraft mod's Dromaeosaurus and Troodon highly accurate models, the vanilla Minecraft raptors are fully-feathered, have no pronated hands, and can be tamed by feeding it raw beef.
 * It comes in 4 variants, the tiny black passive Microraptors which spawns naturally in jungles, forests, and swamps, the small tan-colored neutral Velociraptors which spawns naturally in plains and deserts, the slightly larger reddish-colored neutral Deinonychuses (based on the Paleocraft's Dromaeosaurus coloration) which spawns naturally in forests and plains, and the large brownish completely-untameable hostile Utahraptors that spawns naturally in plains.
 * Drops 1-3 feathers when killed.

Triceratops
 * Spawns naturally in swamps and plains in the Prehistoric dimension.
 * It is a neutral mob to almost every carnivorous mobs (as well as players) that only attacks if provoked or if its babies are nearby.
 * Is completely hostile to T-rex due to the T-rex being natural predators of Triceratops.
 * It is not shrink-wrapped and has Psittacosaurus-like quills on its back and its tail to be up-to-date on being scientifically accurate, while also keeping the mob fitting for Minecraft.

World generation
Prehistoric dimension

Items
Membrane
 * Renamed from "Phantom membrane" to simply "Membrane" due to pterodactyls now dropping these items.