What is the meaning of Monoplacophora?
bearing one plate
Monoplacophora /ˌmɒnoʊpləˈkɒfərə/, meaning “bearing one plate”, is a polyphyletic superclass of molluscs with a cap-like shell now living at the bottom of the deep sea.
What is the common name for Polyplacophora?
Polyplacophora
| Common Name | Scientific Name |
|---|---|
| Common Eastern Chiton | Chaetopleura (Chaetopleura) apiculata |
| Common West Indian Chiton | Chiton (Chiton) tuberculatus |
| Common West Indian Chiton | Chiton (Chiton) tuberculatus |
| Concealed Arctic Chiton | Amicula vestita |
What are examples of Monoplacophora?
Monoplacophora
- Mollusca.
- Gastropoda.
- Bivalvia.
- Polyplacophora.
- Scaphopoda.
- Molluscs.
- Teuthida.
- Snails.
What are the characteristics of Polyplacophora?
The main characteristics of Polyplacophora include (1) elongate or oval, dorsoventrally flattened, bilaterally symmetrical, marine; (2) with dorsal shell of eight plates embedded in a tough mantle; (3) mantle-edge stiffened (called the girdle); (4) large, muscular, ventral foot (girdle and foot can act as suction cup); …
Are all molluscs Cephalized?
Both flatworms and molluscs are triploblastic, bilaterally symmetric, and cephalized. But molluscs have developed a true coelom, an internal body cavity enclosed by mesodermal membranes. Molluscs are mostly aquatic, and are named from the Latin molluscus, meaning “soft”.
How do Polyplacophora breathe?
Because the chiton mantle is stiff and surrounds the body, it is referred to as a girdle. Inside the groove are gills that help the chiton to breathe underwater. Oxygen-carrying water enters the grooves near the head, flows through the gills, and exits at the rear of the body.
Are starfish cephalized?
Echinoderms, or sea stars, also lack cephalization. Nearly all animals not falling into one of these categories exhibits some degree of cephalization.
