Tyrannosaurus rex

Tyrannosaurus rex
Release Version: Base Game

Classification

DietCarnivore
HabitatTerrestrial
EraLate Cretaceous
FamilyTyrannosauridae
GenusTyrannosaurus
Bio GroupLarge Carnivore

Size

Height (m)5.2
Length (m)13.5
Weight (kg)8,400

Rating

Base Appeal1266
Appeal (Per $1MM)483.5
Appeal (Per Hectare)584.1
Base Dominance139
Base AppealAppeal (Per $1MM)Appeal (Per Hectare)Base Dominance
Tyrannosaurus rex
Median

Stats

Lifespan33 - 66
Resilience130
Attack109
Defence30
Medical Dart Resistance158
Sedative Resistance158
Poison Resistance150

Security

Security Rating6
Threat
Gyrosphere
Human
Ranger Team
Tour Truck
Dinosaur Send / SummonNo

Environmental Needs

Comfort50% , 70% , 90%
Open Space (m2)1080054%
Sand (m2)270013%
Forest (m2)540027%
Water (m2)11005%
Prey (m2)7

Cohabitation Preferences

Social Group1 - 2
Ideal Population0 - 15
Area Need Growth+125%
Likes
Liked By
Dislikes
Disliked By
Neutral
None
Fight
Hunt
Pack Hunt
Socialize

Behaviors are scripted in game files but are not guaranteed to happen. Dominance, territory, and traits determine whether they would actually fight.

Unlock requirements

Unlocked by retrieving the fossil from one of the following dig sites:

Dig SitesLocationsFossilsRequirements (Logistics)DurationCost
Frenchman Formation B
North America
Canada
Saskatchewan
fossil_giantthoropoda_common
x1
fossil_giantthoropoda_uncommon
x2
fossil_giantthoropoda_rare
x1
1308:30$3,400,000
Hell Creek Formation C
North America
USA
Montana
fossil_giantthoropoda_uncommon
x1
fossil_giantthoropoda_rare
x1
1308:30$2,000,000
Lance Formation Site C
North America
USA
Wyoming
fossil_giantthoropoda_common
x1
fossil_giantthoropoda_rare
x1
1308:30$2,160,000
Dense Lignite K.L.
Amber Mine Level 2
West Riverbed
Late Cretaceous
amber_giantthoropoda_common
x1
amber_giantthoropoda_uncommon
x2
amber_giantthoropoda_rare
x1
1308:30$2,160,000
Compacted Lignite K.L.
Amber Mine Level 3
North Pit
Late Cretaceous
amber_giantthoropoda_uncommon
x1
amber_giantthoropoda_rare
x1
1308:30$2,160,000
Flooded Lignite K.L.
Amber Mine Level 4
South East Cavern
Late Cretaceous
amber_giantthoropoda_common
x1
amber_giantthoropoda_rare
x1
1308:30$2,160,000

Synthesis

Eggs1 - 2
Requirements (Genetics)13
Scientists (Max)3
Duration03:20
Cost$982,000

Incubation

Requirements (Welfare)13
Scientists (Max)3
Duration10:00
Cost$1,964,000

Genome Trait Chances

Genetic Mods (Max)8
Sociability75%
Antisocial
Tolerance50%
Intolerant
Aggression50%
Aggressive
Nocturnal40%
Nocturnal
Offence25%
Strong
Intelligence100%

Disease

ImmuneBracken Poisoning
SusceptibleNone

Description

The most famous of all dinosaurs, Tyrannosaurus rex enjoys a fearsome reputation around the world thanks to its size, power and aggression – a status borne out by its name, which translates to ‘King of the tyrant lizards’. At around 13.5m in length and over eight tons in weight, Tyrannosaurus rex was the apex predator of its time, with the most powerful jaw known to science and rows of large, serrated teeth.

Discovery

American geologist Arthur Lakes lays claim to the discovery of Tyrannosaurus rex, when he unearthed multiple teeth in the Morrison Formation, Colorado. The teeth were initially believed to belong to Ornithomimus, but the subsequent discovery of a partial skeleton by Barnum Brown while investigating a site in Wyoming in 1900 was classified as Tyrannosaurus rex five years later, with Lakes’ find later attributed to the same genus.

Paleoecology

Tyrannosaurus rex roamed the western side of North America during the Late Cretaceous period, approximately 66-68m years ago. As the apex predator of this period, it fed on a wide array of prey including hadrosaurs, ankylosaurs and even large sauropods, using its excellent hearing and heightened sense of smell to hunt down targets.

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