Cephalopod beak
All extant cephalopods have a two-part beak, or rostrum, situated in the buccal mass and surrounded by the muscular head appendages. The dorsal (upper) mandible fits into the ventral (lower) mandible and together they function in a scissor-like fashion. The beak may also be referred to as the mandibles or jaws. Fossilised remains of beaks are known from a number of cephalopod groups, both extant and extinct, including squids, octopuses, belemnites, and vampyromorphs. Aptychi – paired plate-like structures found in ammonites – may also have been jaw elements.
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2017 in paleomalacologyAbdopus aculeatusAngustidontusAptychusBeakBeak (cephalopod)Beak (disambiguation)BelemnoideaBigfin reef squidBlue-ringed octopusCaribbean reef squidCephalopodCephalopod jawsCephalopod limbCephalopod mandibleCephalopod mandiblesCephalopod sizeChitinColossal squidEuropean squidGlovers_Harbour,_Newfoundland_and_LabradorGonatopsis japonicusGreater blue-ringed octopusHistioteuthis bonnelliiHistioteuthis reversaHood lengthHooked squidHumboldt squidIllex coindetiiList of colossal squid specimens and sightingsLower rostral lengthN-AcetylglucosamineNautilusOctopusOctopus tetricusRadulaRostrum (anatomy)SquidSquid as food
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Cephalopod beak
All extant cephalopods have a two-part beak, or rostrum, situated in the buccal mass and surrounded by the muscular head appendages. The dorsal (upper) mandible fits into the ventral (lower) mandible and together they function in a scissor-like fashion. The beak may also be referred to as the mandibles or jaws. Fossilised remains of beaks are known from a number of cephalopod groups, both extant and extinct, including squids, octopuses, belemnites, and vampyromorphs. Aptychi – paired plate-like structures found in ammonites – may also have been jaw elements.
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All extant cephalopods have a ...... y also have been jaw elements.
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Le bec chitineux des céphalopo ...... ment un bon nombre de calmars.
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Todos los cefalópodos existent ...... n sido elementos del pico.
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Όλα τα σωζόμενα κεφαλόποδα έχο ...... πίσης να έχουν δομές σιαγώνων.
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All extant cephalopods have a ...... y also have been jaw elements.
@en
Le bec chitineux des céphalopo ...... la curiosité d'être élastique
@fr
Todos los cefalópodos existent ...... orma similar a una tijera.
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Όλα τα σωζόμενα κεφαλόποδα έχο ...... αλείται ως δαγκάνες ή σαγόνια.
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Bec des céphalopodes
@fr
Cephalopod beak
@en
Pico (cefalópodos)
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Ράμφος κεφαλόποδου
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