Gurmeet singh Asked a Question
December 20, 2020 7:49 pmpts 30 pts
Which one is an index fossil? B. Natiloids A. Trilobite Gastropods D. Bivalves (BHU-2015
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  • Rahul kumar
    Yes, but in comparison with other fossil groups (Brachiopoda, Bivalves and Gastropods), time range of trilobites is very narrow. So, the most probable answer should be trilobites.
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  • Rahul kumar
    Yes, but in comparison with other fossil groups (Brachiopoda, Bivalve and Gastropods), the time range of trilobites is very narrow. So, the most probable answer should be trilobite...
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  • Sajan sarthak thankyou
    Trilobite is an index Fossil.
    • cropped904365847801625165.jpg
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    Gurmeet singh
    but range is enough large - 605-245 interwal
  • Rahul kumar Best Answer
    Answer: Trilobites Index fossils should have narrow geological time range and wide geographical distribution. Trilobites appeared during Cambrian and extinct in Permian and hence ...
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    Gurmeet singh
    but range is enough large - 605-245 interwal
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