Which class of Mollusks include organisms that all have two shells? Mollusca QUIZ DRAFT. The body is bilaterally symmetrical and covered by a mantle. In: Fauna Iberica, Gastropods. 2. Their name, Cephalopod or "head-foot" in Greek, reflects the unique relationship between the cephalopod head and foot: the arms encircle the animals' head. alternatives . Cephalopods are mollusks (Cephalopoda), a class which includes octopuses, squid, cuttlefish, and nautilus. The cephalopod clades are the monophyletic group of … The class Cephalopoda (“head foot” animals) includes octopuses, squids, cuttlefish, and nautilus. ), which lives along the west coast of the United States, can grow to 1.5 m or more. answer choices . Class Cephalopoda. answer choices . Cephalopods include shelled and reduced-shell groups. The classes are: 1. They display vivid coloration, typically seen in squids and octopuses, which is used for camouflage. ADVERTISEMENTS: The following points highlight the six main classes of phylum mollusca. Class # 1. Cephalopoda is a very ancient and successful class of mollusk presently having two groups named the Nautiloidea and the Coleoidea. (1992) Mollusca, Cephalopoda. Class Gastropoda . answer choices . ... What does Cephalopod mean? Complete the template below by selecting a species within each of the classes Bivalvia, Gastropoda, and Cephalopoda. The class Cephalopoda comprises two sub-classes: ... tebrate medicine that includes a chapter on cephalopods ... Guerra, A. 3.65). They display vivid coloration, typically seen in squids and octopuses, which is used for camouflage. They include some of the most intelligent creatures on the planet. MV Oceanography 7.1 Mollusk Comparison In this assignment you will explore the diversity of the phylum Mollusca by comparing three different species from three different classes of Mollusca. The cephalopods are molluscs with large heads and tentacles. Amphineura 3. Bivalves. Pelecypoda or Bivalvia or Lamellibranchiata 6. Bivalves . Most cephalopods are relatively small. Class Polyplacophora. Class Bivalvia Cephalopods . Cephalopoda. These are ancient species that are found in all of the world's oceans, and are thought to have originated about 500 million years ago. This class of mollusks is considered to be the most intelligent. Which class of Mollusks include squid, cuttlefish and octopus? Cephalopods. Monoplacophora 2. The single dorsal shell is thin and sub […] Examples of cephalopod molluscs include squid, octopus, cuttlefish, and nautilus (Fig. Cephalopods include shelled and reduced-shell groups. answer explanation ... Class Cephalopoda. Scaphopoda 5. alternatives . Many organisms belonging to this phylum have a calciferous shell. Gastropoda 4. The bodies are generally very soft and are covered by the hard exoskeleton.They can be found in terrestrial regions as well as in the depths of the seas.You will be amazed to know that the size of the molluscans can range from 20 metres to one millimetre, with a few microscopic animals too. 9th grade. Gastropods . But the giant octopus (Enteroctopus sp. The class Cephalopoda (“head foot” animals) includes octopuses, squids, cuttlefish, and nautilus. Bivalves. Gastropods. Monoplacophora: 1. Their mantle is modified into a siphon for movement via jet-propulsion, and their highly developed nervous and sensory systems include complex eyes and a centralized brain. Phylum Mollusca. Mollusks are the second largest phylum of invertebrate animals after the Arthropoda. The body is bilaterally symmetrical and covered by a mantle complete the template below by selecting a within! 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