Gurmeet Singh posted an Question
January 15, 2021 • 04:18 am 30 points
  • IIT JAM
  • Geology (GG)

Kindly verify

Graptolite went into extinction in &the Trilobites went into extinction in the Period respectively. Devonian / Permian Carboniferous / Permian

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    Saurabh 1

    Graptolites appeared during late cambrian or one can say in cambrian around 500mya and they rose to dominance in and around ordovician and silurian. They got extinct in carboniferous. Trilobite got extinct in end permian major mass extinction (i would say the most catastrophic extinction event ) around 250mya. So correct option has to be (B).

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    sir...bt mene toh ab tk yahi padha hai... Devonian me extinct ho gye the graptolites

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    Nahi bhai go through some legit sites like british geological survey there you will see that they finally ended in carboniferous not completely in devonian so most probably the answer would be carboniferous

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    https://www.bgs.ac.uk/discovering-geology/fossils-and-geological-time/graptolites/

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    Dear gurmeet go through this you will get to know what I was saying.. Actually there are alot of research going on and some breathtaking results or conclusions are drawn, which is most relevant in case of subject like geology.

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    Sajan sarthak Best Answer

    GRAPTOLITES WERE EXTINCT IN DEVONIAN . THEY WERE LARGELY DOMINANT IN ORDOVICIAN TO SILLURIAN. . WHERE AS TRILOBITES WERE OF PALEOZOIC AGE ..AND WENT EXTINCT IN PERMIAN.

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    sir aap kis time bilkul free ho skte ho.

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    sir iit me aane k liye minimum kitne marks score krne hote hain

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    70 marks

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    before leaving mark my answer

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    MSQ option humko khud choose krna hoga

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    yes

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