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Within the shell is a pair of "arms," often long and spirally coiled, bearing rows of ciliated tentacles by which a current of water is made to flow into the mantle cavity, bringing the microscopic food to the mouth between the bases of the arms. The shell is both opened and closed by special muscles. They form two orders; Lyopoma, in which the shell is thin, and without a distinct hinge, as in Lingula; and Arthropoma, in which the firm calcareous shell has a regular hinge, as in Rhynchonella.
Wiki User
∙ 15y ago
Wiki User
∙ 15y agoit is a prehistoric animal that lived during the Paleozoic Era. It was an invertabrate with a spiraling shell.
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This fossil shell has symmetrical valves?
brachiopod
Signature creature is the brachiopod?
Cambrian Period
What is a Marine invertebrate with a ciliated feeding organ?
Brachiopod
What is the Kentucky State fossil?
The Brachiopod is the official state fossil. After lobbying by students and teachers at a Louisville middle school, the Kentucky State Legislature designated the brachiopod the state fossil in 1986; aspecific species was not named. Though they resemble clams, brachiopods are not related to them. There are hundreds of species of brachiopod found in Paleozoic strata throughout Kentucky. They lived attached to the sea bottom or some object on the sea bottom. A few brachiopods survive in the deep oceans today.
What do you call A sea crature whose shell is in two halves joined together by a hinge?
A bivalve. A clam (A brachiopod)
How do brachiopods feed?
Brachiopod's have hard shells on the upper and lower surfaces, Their shell is hinged at the rear end, while the front can be opened for feeding or closed for protection.
What has the author David Alexander Taylor Harper written?
David Alexander Taylor Harper has written: 'The brachiopod faunas of the upper Ardmillan succession (upper Ordovician), Girvan'
What has the author Helen Marguerite Muir-Wood written?
Helen Marguerite Muir-Wood has written: 'On the morphology and classification of the Brachiopod suborder Chonetoidea' -- subject(s): Chonetoidea
What were the first living organism?
Of course bacteria. Or if you want an actual animal/bug, then well it would be a trilobite or a brachiopod. A trilobite is an animal with legs like a lobster. You can look it up. A brachiopod is an animal with a shell. Look that up, if you want to, too.
What has the author Thomas W Amsden written?
Thomas W. Amsden has written: 'Late Ordovician through Early Devonian annotated correlation chart and Brachiopod range charts for the Southern Midcontinent region, U.S.A'
What time period would a brachiopod be alive?
Brachipods evolved about 540 million years ago during the Cambrian period. They still exist today, so they also were alive during all of periods between now and the Cambrian.
What has the author Janet Waddington written?
Janet Waddington has written: 'An introduction to Ontario fossils' -- subject(s): Fossils, Paleontology 'Upper paleozoic brachiopod subfamily spiriferellinae from the Canadian Arctic and its significance for paleogeography, paleoclimatology, and continental drift'
