Class Cephalopoda

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Last updated 5:00 PM on 10/10/26
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13 Terms

1
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Mantle

muscular and encloses animal, secretes shell on inside/outside

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Subclass Nautiloidea “Nautilus”

animal lives in front chamber, siphuncle

<p>animal lives in front chamber, siphuncle</p>
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Siphuncle

tube of tissue goes all the way thru curve of shell, regulates gas pressure for bouyancy

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Subclass Coleoidea

O. Septoiddea, O. Teuthoidea, O. Octopoda

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O. Septoidea

8 arms 2 tentacles, Sepia, Spirula

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Sepia “Cuttlefish”


<p></p>
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Spirula “Ramshorn”

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O. Teuthoidea

8 arms 2 tentacles, paralytic saliva, Loliguncula, Loligo, Architeuthis, Mesonychoteuthis

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Loliguncula “Brief squid”

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Loligo “Pencil squid”

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Architeuthis dux “Giant squid”

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Mesonychoteuthis “Colossal squid”

fight sperm whales

<p>fight sperm whales</p>
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O. Octopods “Octopus”

8 arms no tentacles, no shell

<p>8 arms no tentacles, no shell</p>