Microfossils

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  • Created by: Maria5
  • Created on: 28-05-17 21:49
Microfossils are good at dating rocks because they are good...
zone fossils
1 of 6
Complex crustaceans, similar to bivalves which are less than 2mm in length
Ostracods
2 of 6
Simple single celled creatures with a protective shell, most forms are benthonic
Foraminifera
3 of 6
Teeth from a soft bodied creature. The earliest are found in Precambrian rocks and died out in the Permo-Triassic extinction
Conodonts
4 of 6
Marine planktonic animals composed of silica and occupied niches near the surface to hundred metres depth
Radiolaria
5 of 6
Composed of sporopollenin
Spores and pollen
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Other cards in this set

Card 2

Front

Complex crustaceans, similar to bivalves which are less than 2mm in length

Back

Ostracods

Card 3

Front

Simple single celled creatures with a protective shell, most forms are benthonic

Back

Preview of the front of card 3

Card 4

Front

Teeth from a soft bodied creature. The earliest are found in Precambrian rocks and died out in the Permo-Triassic extinction

Back

Preview of the front of card 4

Card 5

Front

Marine planktonic animals composed of silica and occupied niches near the surface to hundred metres depth

Back

Preview of the front of card 5
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