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Of the 100,000 different species of mollusk, a good many of them do, but some don't. Mollusca also includes the squid, the octopus and the slug. The first two have an internal structure that might be called an "internal shell" or the like. It should be noted that they completely decompose leaving only their beak. Slugs don't have shells or "hard" internal structures of any kind. A link can be found below to review the different creatures that are members of this phylum.
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∙ 14y ago
Wiki User
∙ 13y agoOne kind of mollusc without a shell is called a slug. Some are the garden variety of slug, while certain species of slugs are aquatic and live in the sea.
The other well-known shell-less mollusc family is that of the squid and octopus, also known as Cephalopods.
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∙ 16y agoslug
octopus
squid
cuttle fish
Wiki User
∙ 13y agothis particular example is called a nudebranch
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∙ 11y agoThe Octopus and Squid
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∙ 14y agoGastropods
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What is an avalone?
An avalone is an obsolete name for an abalone, an edible mollusc of the genus Haliotis, with a shell lined with mother-of-pearl.
What is the name of the marine mollusc with a rough irregular shell usually found on the seabed in coastal waters and considered a delicacy?
Oyster Michele
What is the scientific name for the mollusc?
Mollusc is the scientific name. There are many different molluscs, each with a different scientific name.[In the US, the spelling mollusk is used.]
What is the name of an edible mollusc beginning with a?
Aplacophora
What is a mollusc with a spiral shell called?
The land snail is an air breathing, gastropod with a spiral shell. Helix pomatia is the scientific name for the snail.
What is the name of a marine mollusc starting with M?
mussel
What is the name of an edible marine mollusc beginning with a?
Abalone
Name a marine or freshwater mollusc such as clam and oyster?
mussell
What is a name for a terrestrial land producer?
Terrestrial land producer
How do you spell molusque?
The name for the animal type (shellfish, snails) is mollusc, also mollusk.(The term mollusc from the phylum Mollusca, is now as common as the former K spelling.)
What is another name for the terrestrial planets?
Another name for the terrestrial planets is the inner planets. There are four terrestrial planets: Mercury, Venus, Earth and Mars.
Is there a six-letter name of an edible mollusc with the fourth letter 't'?
oyster
