Gladius (cephalopod)
The gladius (plural: gladii), or pen, is a hard internal bodypart found in many cephalopods of the superorder Decapodiformes (particularly squids) and in a single extant member of the Octopodiformes, the vampire squid (Vampyroteuthis infernalis). It is so named for its superficial resemblance to the Roman short sword of the same name, and is a vestige of the ancestral mollusc shell, which was external. The gladius is located dorsally within the mantle and usually extends for its entire length. Composed primarily of chitin, it lies within the shell sac, which is responsible for its secretion.
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2017 in paleontology2021 in paleomalacologyAcanthoteuthisAncistroteuthisBelemnitidaBigfin reef squidBoletzkyidaCephalopodCephalopod finCephalopod gladiusCephalopod penCephalopod sizeChiroteuthidaeColeoideaCuttleboneDorateuthisEnchoteuthisEuprymna morseiGladius (disambiguation)HelicocranchiaHelicocranchia pfefferiHistioteuthis reversaHumboldt squidKeuppiaLampadioteuthisLepidoteuthis grimaldiiLeptoteuthisLiguriellaLiocranchiaList of colossal squid specimens and sightingsLittle skateMollusc shellMoroteuthopsis longimanaMuensterellidaeMuensterelloideaMyopsidaOmmastrephidaeOnychoteuthisOnykia ingens
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Gladius (cephalopod)
The gladius (plural: gladii), or pen, is a hard internal bodypart found in many cephalopods of the superorder Decapodiformes (particularly squids) and in a single extant member of the Octopodiformes, the vampire squid (Vampyroteuthis infernalis). It is so named for its superficial resemblance to the Roman short sword of the same name, and is a vestige of the ancestral mollusc shell, which was external. The gladius is located dorsally within the mantle and usually extends for its entire length. Composed primarily of chitin, it lies within the shell sac, which is responsible for its secretion.
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Gladius, pióro (łac. gladius – ...... zewnętrznej muszli głowonogów.
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Il gladio o penna, è una strut ...... ito principalmente da chitina.
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The gladius (plural: gladii), ...... teuthis, , and Plesioteuthis).
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Гладиус — декальцинированная х ...... Teudopsis и ), (e.g. , и ) и
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960,334,736
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Gladius, pióro (łac. gladius – ...... zewnętrznej muszli głowonogów.
@pl
Il gladio o penna, è una strut ...... ito principalmente da chitina.
@it
The gladius (plural: gladii), ...... responsible for its secretion.
@en
Гладиус — декальцинированная х ...... основные компоненты гладиуса.
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label
Gladio (cefalopodi)
@it
Gladius (anatomia)
@pl
Gladius (cephalopod)
@en
Гладиус (головоногие)
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