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Shipworm This dried specimen of Teredo navalis , and the calcareous tunnel that originally surrounded it and curled into a circle during preservation, were extracted from the wood of a ship. The two valves of the shell are the white structures at the anterior end; they are used to dig the tunnel in the wood.
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.
The price had risen to $3,000 before eBay closed the auction. [8] [9] In May 2006, the remains of U.S. Fort Montgomery, a stone fortification in upstate New York built in 1844, were put up for auction on eBay. The first auction ended on June 5, 2006, with a winning bid of US$5,000,310.
Teredo portoricensis, known commonly as the Puerto Rico shipworm, is a species of wood-boring clam or shipworm, a marine bivalve mollusk in the family Teredinidae. [ 1 ] [ 2 ] See also
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Within these logs are excavations that were made by the shipworm, Teredora princesae. Inside the shipworm burrows, which may reach a length of 60 centimetres (24 in), are the remains of the shipworms and their shells. Then shipworms do not survive the long journey.
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 .
HMS Teredo was a British submarine of the third group of the T class. She was built as P338 at Vickers Armstrong , Barrow and launched on 27 April 1945. So far she has been the only ship of the Royal Navy to bear the name Teredo , possibly after a mollusc, the shipworm , of that name.