What are 6 mollusks examples?
What are 6 mollusks examples?
Class Gastropoda – snails, slugs, limpets, whelks, conchs, periwinkles, etc. Class Bivalvia – clams, oysters, mussels, scallops, cockles, shipworms, etc. The Class Scaphopoda contains about 400 species of molluscs called tooth or tusk shells, all of which are marine.
How many classes of animals are in the phylum Mollusca?
8 classes
The Phylum Mollusca consist of 8 classes: 1) the Monoplacophora discovered in 1977; 2) the worm-like Aplacophora or solenogasters of the deep sea; 3) the also worm-like Caudofoveata; 4) the Polyplacophora, or chitons; 5) the Pelecypoda or bivalves; 6) the Gastropoda or snails; 7) the Scaphopoda, or tusk shells; and 8) …
Is an octopus a mollusk?
octopus, plural octopuses or octopi, in general, any eight-armed cephalopod (octopod) mollusk of the order Octopoda. The true octopuses are members of the genus Octopus, a large group of widely distributed shallow-water cephalopods.
Are barnacles mollusks?
Although they may look like mollusks with their shell-like covering, barnacles are actually crustaceans, related to lobsters, crabs and shrimp. They look like tiny shrimp in their larval stage, where they swim as members of zooplankton in the ocean.
Why does an octopus belong to phylum Mollusca?
Octopuses can camouflage very well in their surroundings. They have ink glands that they use to defend themselves or escape from predators. They show all the characteristic features of Phylum Mollusca and are triploblastic, bilaterally symmetrical, and found in various regions of the ocean.
Where are phylum Mollusca found?
Most mollusks are marine animals that live in habitats from shallow coastal areas to deep waters. Most stay within the sediments at the bottom of water bodies, although a few—such as cephalopods—are free swimming.
Is a snail a mollusk?
The Class Gastropoda (in Phylum Mollusca) includes the groups pertaining to snails and slugs. The majority of gastropods have a single, usually spirally, coiled shell into which the body can be withdrawn.
What phylum is a barnacle?
Arthropod
Barnacle/Phylum
Is a mussel a barnacle?
Mussels are bivalve molluscs, related to other molluscs such as oysters and cockles. While mussel species are present in both fresh water and salt water, barnacles are strictly marine creatures. Barnacles are hermaphroditic, whereas mussels are gonochoristic, meaning that there are separate male and female individuals.
Why does snail belong to phylum Mollusca?
The Class Gastropoda (in Phylum Mollusca) includes the groups pertaining to snails and slugs. The majority of gastropods have a single, usually spirally, coiled shell into which the body can be withdrawn. The shell of these creatures is often what is recovered in a fossil dig.
What phylum is squid?
Mollusca
Squid/Phylum
Clams, Snails, and Squid: Phylum Mollusca, Class Cephalopoda. Cephalopods are a group of molluscs that include the pearly chambered Nautilus, squids, and the octopus.
What are the 9 major phyla of animals?
There are 36 recognized animal phyla, of which but nine ( Mollusca , Porifera , Cnidaria , Platyhelminthes , Nematoda , Annelida , Arthropoda , Echinodermata , and Chordata) contain the vast majority of described, extant species.
What are the 3 classes of phylum Mollusca?
Key Points. Mollusks can be segregated into seven classes: Aplacophora,Monoplacophora,Polyplacophora,Bivalvia,Gastropoda,Cephalopoda,and Scaphopoda.
What animals are mollusks?
Gastropoda. Gastropods are the largest group of mollusks,making up 80 percent of the phylum.
What are the different types of phylum?
In biology, a phylum is a division of organism (taxonomic rank) below kingdom (such as Animalia ) and above class (such as Mammalia ). There are 38 animal phyla, with nine phyla — Mollusca, Porifera, Cnidaria, Platyhelminthes, Nematoda, Annelida, Arthropoda, Echinodermata, and Chordata — making up the vast majority of all animals.
