Biology, 24.03.2021 01:20 Kklove8987

Which organism would make the best index fossil? Why ? -ammonite (lived 205-66 million years ago)
-Belemnite (lived 205-66)
-ceratites (lived 205-138)
-nautilus (lived 410 Mya to present)
-teuthids (lived 410 Mya to present)
-goniatite ( lived 310 to 290)

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Which organism would make the best index fossil? Why ? -ammonite (lived 205-66 million years ago)