What is dentalium and what is their habitat?

HABIT AND HABITAT Dentalium is marine, living in clean sand in various depths from shallow water to 2,600 fathoms deep.

1. Where is Dentalium found?
2. Where are Scaphopoda found?
3. What is the common name of Dentalium?
4. How is dentalium harvested?
5. What are dentalium shells used for?
6. What does the term Scaphopoda mean?
7. Where do tusk shells live?
8. Is antedon free swimming?
9. What is the scientific name of antedon?
10. Which of the following is correct set of animals belonging to phylum Mollusca?

Where is Dentalium found?

Dentalium shells were used by Inuit, First Nations, and Native Americans as an international trade item. This usage is found along the western coast of Canada and along the Pacific Ocean coast of the northwest United States extending southward to Southern California.

Where are Scaphopoda found?

Habitat: They burrow in soft ocean bottoms at depths down to about 6,600 feet (2,000 meters). Diet: Tusk shells eat all kinds of microscopic organisms, but prefer foraminiferans.

What is the common name of Dentalium?

Dentalium neohexagonum is a species of tusk shell, a marine scaphopod mollusk in the family Dentaliidae. As the Latin name implies, the cross section of this shell is hexagonal; hence its common name is six-sided tusk shell.

How is dentalium harvested?

They often grow beneath deep waters, but can also be found close shore. Dentalium are particularly common around Vancouver Island, where Native people once harvested them with weighted, broom-like tools. By dragging the broom across the sea floor, fishermen trapped dentalium in its bristles.

What are dentalium shells used for?

Dentalium shells have been used ornamentally as beads, money and symbols of wealth for thousands of years and many varieties can be found around the world. Today Asia supplies most of the dentalium shells used in bead work. The Asian dentalium is more fragile than the type used by American Indians.

What does the term Scaphopoda mean?

: a small class of Mollusca comprising bilaterally symmetrical marine forms that have a tapering tubular shell open at both ends, a pointed or spade-shaped foot for burrowing, many long slender prehensile oral tentacles about a mouth containing a radula, a rudimentary heart, no gills, and separate sexes whose ...

Where do tusk shells live?

Most tusk shells live in fairly deep water, sometimes to depths of about 4,000 metres (13,000 feet); many deep-sea species are cosmopolitan in distribution.

Is antedon free swimming?

Antedon is a genus of free-swimming, stemless crinoids. The genus first appeared in the fossil record in the Cretaceous period.

What is the scientific name of antedon?

Binomial name. Antedon mediterranea. (Lamarck, 1816) Synonyms.

Which of the following is correct set of animals belonging to phylum Mollusca?

The animals belonging to the phylum Mollusca are apple snail, pearl oyster, devil fish, tusk shell, etc.