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An average adult shipworm measures 4 to 6 inches (10 to 15 cm) in length and less than one-quarter inch (6.4 mm) in diameter, but some species grow to considerable size. [ 2 ] The body is cylindrical, slender, naked, and superficially vermiform (worm-shaped). In spite of their slender, worm-like forms, shipworms possess the characteristic ...
Destruction by Teredo navalis worm in a tree branch Teredo navalis is a very destructive pest of submerged timber. In the Baltic Sea , pine trees can become riddled with tunnels within 16 weeks of being in the water and oaks within 32 weeks, with whole trees 30 cm (12 in) in diameter being completely destroyed within a year.
Teredo (Zopoteredo) Bartsch, 1923. Zopoteredo. Teredo is a genus of highly modified saltwater clams which bore in wood and live within the tunnels they create. They are commonly known as " shipworms;" however, they are not worms, but marine bivalve molluscs (phylum Mollusca) in the taxonomic family Teredinidae. The type species is Teredo navalis.
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The conservation and restoration of shipwreck artifacts is the process of caring for cultural heritage that has been part of a shipwreck. Oftentimes these cultural artifacts have been underwater for a great length of time. Without conservation, most artifacts would perish and important historical data would be lost. [1]
How do worms and insects stack up against animal meats? Despite a wide range of nutrition for edible worms and insects, many seem to have similar if not greater nutritional profiles than animal meats.
Polychaetes are segmented worms, generally less than 10 cm (4 in) in length, although ranging at the extremes from 1 mm (0.04 in) to 3 m (10 ft), in Eunice aphroditois. They can sometimes be brightly coloured, and may be iridescent or even luminescent. Each segment bears a pair of paddle-like and highly vascularized parapodia, which are used ...
The tube of Kuphus polythalamius is known as a crypt and is a calcareous secretion designed to enable the animal to live in its preferred habitat, the mud of mangrove swamps. A typical specimen measures 100 cm (40 in) in length and is shaped like a truncated elephant's tusk. The wider, anterior end is closed, has a rounded tip, and is about 110 ...