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Top 10 Oldest Extant Animal Species on Earth
What are the ten oldest animal species on Earth according to The Mysterious World?
Source:
HERE
Most of these are aquatic
Quiz by
Etanna
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Last updated: February 4, 2018
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First submitted
February 3, 2018
Times taken
84
Average score
40.0%
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Years
Hint
Answer
1.
2.8 billion
The first ever microbe to produce oxygen via photosynthesis
Cyanobacteria
2.
580 million
A plant-like organism full of pores and channels
Sponge
3.
550 million
A softbodied animal with an umbrella-shaped bell and trailing tentacles
Jellyfish
4.
500 million
A marine mollusc with a shell in the shape of a whorl
Nautilus
5.
445 million
A marine arthropod
Horseshoe Crab
6.
360 million
A critically endangered deep sea fish
the Latimeria fish
Coelacanth
7.
200 million
A primitive bony fish whose eggs humans eat
Sturgeon
8.
200 million
A tiny crustacean
Horseshoe Shrimp
9.
150 million
A living fossil that looks like a sea dragon
Frilled Shark
10.
120 million
An insect discovered in the Amazon rain forest
"ants from Mars"
Martialis Huereka
Comments (4)
Etanna
+1
Level 70
Feb 3, 2018
To compare: The first dinosaurs appeared on Earth about 240 million years ago.
PolskaStronk
+1
Level 65
Feb 3, 2018
Coelacanth is misspelled
Etanna
+1
Level 70
Feb 4, 2018
oops, thanks, it's fixed now!
Geoguy
+1
Level 68
Feb 4, 2018
Great quiz! I thought some sort of crocodile would make the list though since it is an apex predator that lived through the k-t extinction.
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