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Speculative biology is simultaneously a science and form of art in which one speculates on the possibilities of life and evolution. What could the world look like if dinosaurs had never gone extinct? What could alien lifeforms look like? What kinds of plants and animals might exist in the far future? These questions and more are tackled by speculative biologists, and the Speculative Evolution welcomes all relevant ideas, inquiries, and world-building projects alike. With a member base comprising users from across the world, our community is the largest and longest-running place of gathering for speculative biologists on the web.

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Alternative Evolution

Regular Forum Terra Alternativa
Imagine a world where dinosaurs never evolved and where crurotarsians, synapsids and pterosaurs rule dominant.
Sniper Stalkers Dec 19 2017, 07:50 AM, By Nembrotha
Topics: 38 Replies: 471
Regular Forum A Scientific Fantasy
The subforum for dialforthedevil's project.
Nation List Oct 15 2016, 05:07 AM, By Vorsa
Topics: 19 Replies: 1,211
Subforums: Suggestions, Civilizations, Accepted Species
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Alternative Evolution
  Title Topic Starter Replies Views Topic Info
Regular
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Alternate sea reptiles
Carlos 20 1,158
Feb 3 2010, 02:11 PM
Last Post By: Carlos
Regular My take on Up's Kevin
Carlos 4 544
Feb 1 2010, 12:32 PM
Last Post By: TheCoon
Regular Placoderms Take Over
Tetrapod analogue placoderms
Toad of Spades 9 774
Jan 31 2010, 11:05 PM
Last Post By: Vultur-10
Regular Different Mesozoic
The Dodo 3 533
Jan 22 2010, 02:35 PM
Last Post By: Holben
Regular
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Isolated Parasitic Plants
(Island Continent of the West Pacific)
KayKay 26 1,167
Jan 10 2010, 02:55 AM
Last Post By: Vultur-10
Regular
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Mammals With out care.
How would it effect them?
ATEK Azul 19 918
Dec 27 2009, 03:56 PM
Last Post By: ATEK Azul
Regular The Sans-Permian Extinction Earth
Them Siberan Traps has to be stopped!
El Moppo 12 623
Dec 23 2009, 01:45 PM
Last Post By: Venatosaurus
Regular
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Suggestion for an Alternative Evolution Project
TheCoon 20 840
Dec 20 2009, 08:01 PM
Last Post By: The Dodo
Regular
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Dragon World
TheCoon 15 2,172
Dec 17 2009, 06:40 PM
Last Post By: sam999
Regular In the words of Dr.Vector
Sliver Slave 10 636
Dec 14 2009, 06:30 PM
Last Post By: ATEK Azul
Hot Topic
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Insert Project Name Here
Carlos 30 1,200
Dec 13 2009, 06:00 PM
Last Post By: ATEK Azul
Hot Topic
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How well thought out is the biology in this cartoon
irbaboon 33 1,617
Dec 10 2009, 02:49 PM
Last Post By: sam999
Regular Sphenodontia Diversification
The Dodo 9 864
Dec 8 2009, 06:33 AM
Last Post By: The Dodo
Regular
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Haematothermia: The Mighty Bird-Mammals !
Venatosaurus 17 1,546
Dec 7 2009, 03:44 PM
Last Post By: ATEK Azul
Regular
  • Pages:
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No More Reptiles
Reptiles gone 65 MYA
Black_Panther 20 1,337
Dec 5 2009, 09:32 PM
Last Post By: ATEK Azul
Regular Eugenics
lamna 11 572
Dec 4 2009, 05:08 PM
Last Post By: lamna
Regular
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Sectioned Dicynomole
The emergence of intelligence?
KayKay 26 899
Nov 26 2009, 08:37 PM
Last Post By: ATEK Azul
Hot Topic
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A Speculative Dinosaur Project
What if dinos never died out?
T.rex09 81 3,383
Nov 25 2009, 01:50 PM
Last Post By: Holben
Hot Topic
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Dinosaur Domestication
Domestication of the Dinosaurs
The Dodo 36 2,016
Nov 25 2009, 01:41 PM
Last Post By: Holben
Hot Topic
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  • 1
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Genetic modification...
...of prehistoric lifeforms
Ddraig Goch 60 1,977
Nov 23 2009, 04:09 PM
Last Post By: Holben
Moved Moved: Rewriting Earth
Moved Moved: Pop Star
Regular No Synapsids
The Dodo 10 583
Nov 11 2009, 06:27 PM
Last Post By: Jurassic-Gothic
Regular Bee Sticks
From "an extra piece of land"
KayKay 12 766
Nov 5 2009, 03:44 PM
Last Post By: Holben
Regular A request to good map-makers
KayKay 11 583
Nov 5 2009, 01:35 PM
Last Post By: Holben
Hot Topic
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Terrasaurus
Parallel earth were diapsod dragons rule
ItHasTeeth 70 3,371
Oct 26 2009, 02:56 PM
Last Post By: Holben
Regular
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Repterra Earth.
No Synapsids and alot of Archosaurs.
ATEK Azul 16 1,104
Oct 25 2009, 12:18 AM
Last Post By: ATEK Azul
Hot Topic
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Amphibination
Part 3 now up
StinglessBee 215 6,312
Oct 16 2009, 02:14 PM
Last Post By: StinglessBee
Regular Airsacs for everyone?
Carlos 1 272
Oct 13 2009, 01:37 PM
Last Post By: Holben
Hot Topic
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Without Man
The Alternative Zoology of the Future
Reedstilt 91 5,114
Oct 10 2009, 06:57 AM
Last Post By: SIngemeister
Regular
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Raptors on the air
Carlos 18 1,075
Oct 8 2009, 03:02 AM
Last Post By: Carlos
Regular A Minor Detour
The Indo-Australian Plate hit Africa
11 566
Oct 6 2009, 04:10 PM
Last Post By: Jurassic-Gothic
Regular Western Europe as an Island
SSJRaptog 9 441
Oct 6 2009, 04:03 PM
Last Post By: Jurassic-Gothic
Regular Avantir
Earth-like thought-experiment playground
Rowan 6 553
Oct 5 2009, 05:15 PM
Last Post By: lamna
Hot Topic
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Jawless Land Vertebrates
An alternative to vertabrate jaws.
Toad of Spades 95 3,821
Sep 30 2009, 01:04 PM
Last Post By: Holben
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