page_title: Belemnite
section_title: Life-style
hierarchical_section_title: Belemnite / Life-style
caption_attribution_description: Belemnite
context_page_description: Belemnites are an extinct group of marine cephalopod, similar in many ways to the modern squid, and closely related to the modern cuttlefish.
  Like them, the belemnites had an ink sac, but, unlike the squid, they had ten arms of roughly equal length, and no tentacles.
  The belemnites are a monophyletic group of superorder status, called the Belemnoidea. There are four orders.
context_section_description: Like some modern squid, belemnite arms carried a series of small hooks for grabbing prey. Belemnites were efficient carnivores that caught small fish and other marine animals with their arms and ate them with their beak-like jaws.
  In turn, belemnites appear to have formed part of the diet of marine reptiles such as Ichthyosaurs, whose fossilized stomachs frequently contain hooks from the arms of cephalopods.
  Belemnites swam in near-shore to mid-shelf oceans.
caption: Belemnites
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