Quizzes
More
Create
en
-1

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
Rate:
Last updated: February 4, 2018
More quiz info >>
First submittedFebruary 3, 2018
Times taken38
Report this quizReport
Quiz and answer stats >>
Friends stats >>
5:00
Give Up?
Enter answer here
0
 / 10 guessed
The quiz is paused. You have remaining.
Scoring
You scored / = %
This beats or equals % of test takers also scored 100%
The average score is
Your high score is
Your fastest time is
Keep scrolling down for answers and more stats ...
 
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
Etanna
+1
Level 61
Feb 3, 2018
To compare: The first dinosaurs appeared on Earth about 240 million years ago.
PolskaStronk
+1
Level 59
Feb 3, 2018
Coelacanth is misspelled
Etanna
+1
Level 61
Feb 4, 2018
oops, thanks, it's fixed now!
Geoguy
+1
Level 67
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.
More Quizzes in this Series
Top 5/Top 10 Countries
Copyright H Brothers Inc, 2008–2021
View Mobile Site