Classification of phylum mollusca
What are the general classifications of the phylum Mollusca?
Phylum Mollusca is a very diverse (85,000 species ) group of mostly marine species, with a dramatic variety of form. This phylum can be segregated into seven classes: Aplacophora, Monoplacophora, Polyplacophora, Bivalvia, Gastropoda, Cephalopoda, and Scaphopoda.
What are the 3 major classes of phylum Mollusca?
The major classes of living mollusks include gastropods, bivalves, and cephalopods (Figure below).
- Gastropods. Gastropods include snails and slugs. They use their foot to crawl. …
- Bivalves. Bivalves include clams, scallops, oysters, and mussels. …
- Cephalopods. Cephalopods include the octopus and squid.
What is the scientific name of Mollusca?
Phylum. Mollusca – mollusques, molusco, molluscs, mollusks. Direct Children: Class. Bivalvia Linnaeus, 1758 – bivalves, clams, bivalves, palourdes, bivalve, mexilhão, ostra.
What three characteristics are common to all molluscs?
Despite their amazing diversity, all molluscs share some unique characteristics that define their body plan. The body has a head, a foot and a visceral mass. This is all covered with a mantle (also known as a pallium) that typically secretes the shell.
What are the importance of molluscs?
Mollusks are important in a variety of ways; they are used as food, for decoration, in jewelry, and in scientific studies. They are even used as roadbed material and in vitamin supplements.
What are the examples of Mollusca?
Mollusca/Lower classifications
What is molluscs explain by example?
: an animal (as a clam, snail, or octopus) that lives mostly in water and has a soft body usually enclosed in a shell containing calcium. mollusk. noun. mol·​lusk.
What are some different classes of molluscs and which animals are examples of each class?
Classification
| Class | Major organisms |
|---|---|
| Gastropoda | all snails and slugs including abalone, limpets, conch, nudibranchs, sea hares, sea butterflies |
| Bivalvia | clams, oysters, scallops, geoducks, mussels, rudists†|
| Polyplacophora | chitons |
| Cephalopoda | squid, octopuses, cuttlefish, nautiluses, Spirula, belemnites†, ammonites†|
What are the examples of phylum Mollusca?
Mollusca/Lower classifications
What is the characteristics of mollusks?
Mollusks are invertebrate animals with soft bodies that are often covered in hard shells. An invertebrate is an animal without a backbone. The three main parts of a mollusk’s body include a muscular foot, a visceral mass, and a mantle. The three main types of mollusks are gastropods, bivalves, and cephalopods.
What are the 4 main body parts of mollusks?
The mollusk body has a cavity divided into parts like a head, muscular foot, visceral mass, and mantle. They are usually covered with a calcareous shell.
What are the importance of molluscs?
Mollusks are important in a variety of ways; they are used as food, for decoration, in jewelry, and in scientific studies. They are even used as roadbed material and in vitamin supplements.
What are the 7 classes of mollusks?
- Delicate bodied, triploblastic, reciprocally even, and coelomate creatures have a place with the phylum Mollusca.
- Mollusks can be segregated into seven classes: Aplacophora, Monoplacophora, Polyplacophora, Bivalvia, Gastropoda, Cephalopoda, and Scaphopoda.
What are the 8 classes of Mollusca?
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) …
What is molluscs explain by example?
: an animal (as a clam, snail, or octopus) that lives mostly in water and has a soft body usually enclosed in a shell containing calcium. mollusk. noun. mol·​lusk.