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Shipworm species comprise several genera, of which Teredo is the most commonly mentioned. The best known species is Teredo navalis. Historically, Teredo concentrations in the Caribbean Sea have been substantially higher than in most other salt water bodies. Genera within the family Teridinidae include: [13] Bactronophorus Tapparone-Canefri, 1877
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 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 .
It is also approved to prevent flea infestations and heartworm disease in dogs. The drug is approved for the treatment of flea and tick infestations, along with roundworm, hookworm and tapeworm ...
Like other shipworms, Teredora princesae has an elongated, wormlike body which is completely enclosed in a tunnel it has made in floating or submerged timber. At the front end of the animal are two calcareous valves, as found in other bivalve molluscs.
Gastric worms (Physaloptera spp.) belong to a worldwide distributed genus of nematodes that can infest the mucosa of the stomach and duodenum. Male worms are up to 30 mm long, females up to 40 mm long. The eggs are oval, thick-shelled, 55 × 32 μm in size, and already contain a larva.
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