Explore extinct life by their name
(i.e., genus)

Explore extinct life by their common names
(i.e., Dinosaur, Bird)

Explore extinct life by family groupings
(i.e., cladistic relationships)

Explore extinct life by geological time period
(i.e., when the life form lived)

Explore extinct life by geographic location
(i.e., where the fossils were found)

Explore extinct life by paleontologist/author
(i.e., person(s) who named the life form)

Explore fantasy life forms shaped by the human mind and experience
(i.e., fictional creatures & monsters)

An introduction to the Extinct Life Pictorial Encyclopedia along with some statistics regarding what information is available

The Dinosaur Fan Non-sports Collectibles Digest

Fiction Novels Featuring Prehistoric Animals, Mutant Beasts & Primeval Man

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Extinct Life Introduction

"Dinosaurs are the bridge between fantasy and reality. They are mythological creatures that left behind evidence of themselves unlike the Griffins and Unicorns of folklore."
Shannon Shea (Prehistoric Times, Issue #123, Fall 2017)
The Extinct Life Pictorial Encyclopedia is a virtual compilation of extinct life ranging from microscopic critters to the legionary dinosaurs. This section of the website provides illustrations, images of fossils, photos of collectibles, and summary information about extinct life forms to provide a hint as to how these extinct creatures may have looked as they walked, crawled, soared, and swam on this planet we call 'Earth'.

Use caution; check the data before you use it. NOTE: the information presented throughout this website has NOT been reviewed by any person or organization. All information has been gathered and/or synthesized by me. I am doing my best to provide accurate data however, if you use material from this website for any reason, I would advise you do so with EXTREME CAUTION as there is a good chance that omissions, errors and/or outdated information may exist.
Current Life Form Record Totals
No. of GenusNo. of Species

I would like to thank the following persons and resources from which I obtained extinct life forms (genera) which were missing from my website.

Information SourceQty. of Genus
The Prehistoric Times87
Gaetan White1
Jaap Eyzenga1
Jonathan Riley1
Pam Wilcox1
Sam Anonymous (@ charter.net)1

"No one knows the diversity in the world, not even to the nearest order of magnitude. … We don't know for sure how many species there are, where they can be found or how fast they're disappearing. It's like having astronomy without knowing where the stars are."
Edward O. Wilson
The number of identified extinct life forms (i.e., genus & species) is vast and constantly growing. The content of The Dinosaur Fan only scratches the surface with respect to the extinct life forms that have been documented. It is thought that approximately 99.9% of all species which have ever existed are extinct and that there are around 8.7 million species currently in existence. With this information, one can deduce that roughly 867 million extinct species once inhabited the planet Earth (ref. Science Daily, ‘How Many Species On Earth? About 8.7 Million, New Estimate Says’, August 24, 2011 (www.sciencedaily.com/releases/2011/08/110823180459.htm).

Below is a table showing an estimated distribution of life by kingdoms along with a comparative summary of the data currently contained in The Dinosaur Fan website. At the risk of stating the obvious, my site is missing several hundred-million species. So, if you have information pertaining to extinct life forms (e.g., genus, species, images, life form details) that you would like to share with The Dinosaur Fan readers, please contact me at: mmriley@dinofan.com and I’ll gladly add the information to the website and give you credit.
Estimated Species on Earth & Within The Dinosaur Fan Website
KingdomDescribed SpeciesEst. Living SpeciesEst. Extinct SpeciesWebsite SpeciesWebsite Genus
Inanimatus *00000
Trace Fossils *00053
Viruae *00000
Bacteria #00000
Archaea #00000
Animalia 953,4347,700,000770,000,0006,4251,371
Plantae 215,644298,00029,800,00097
Fungi 43,271611,00061,100,00000
Protozoa 8,11836,4003,640,00000
Chromista 13,03327,5002,750,00010814
Basal Scotokaryotes 00000
Microbial Holozoans 00000
N/A 00000
  * These are NOT officially recognized Kingdoms because the organisms are not considered to be “alive”. Viruses are inert particles that do not carry out metabolic functions on their own and cannot reproduce until they invade living host cells. 'Inanimatus' and 'Trace Fossils' are inanimate solids such as rocks, minerals, fossilized eggs, and trackways which according to human wisdom are not alive.

# These are legitimate Kingdoms however I have not found usable living and extinct population estimates. Fossil evidence of these creatures are rare.

     Food for thought …

"Finally, they came to granite. 'This is alive,' Leavitt said. 'It is living, breathing, walking, and talking. Only we cannot see it, because it is happening too slowly. Rock has a lifespan of three billion years. We have a lifespan of sixty or seventy years. We cannot see what is happening to this rock for the same reason that we cannot make out the tune of a record being played at a rate of one revolution every century. And the rock, for its part, is not even aware of our existence because we are alive for only a brief instant of its lifespan."
Michael Crichton, The Andromeda Strain

"It is absurd for the Evolutionist to complain that it is unthinkable for an admittedly unthinkable God to make everything out of nothing, and then pretend that it is more thinkable that nothing should turn itself into everything."
G.K. Chesterton

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