Belemnite meaning

bĕləm-nīt
Any of a group of extinct squidlike cephalopod mollusks of the Jurassic and Cretaceous Periods, having a cone-shaped internal shell.
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The cigar-shaped fossilized internal shell of extinct cephalopods (order Belemnoidea) of the Mesozoic Era.
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Any of various extinct cephalopod mollusks of the order Belemnoidea that lived from the Triassic into the Tertiary Period. Belemnites had a large, cone-shaped internal shell with a complex structure that served as a support for muscles and as a hydrostatic device. Belemnites were closely related to the present-day squids and cuttlefishes.
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The fossilized internal shell of one of these cephalopods. Belemnites are used as index fossils .
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(paleontology) An extinct order Belemnitida of Mesozoic marine cephalopod, very similar in many ways to the modern squid and closely related to the modern cuttlefish.
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Origin of belemnite

  • New Latin belemnītēs from Greek belemnon dart gwelə- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition