Siboglinidae
| Siboglinidae | |
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| Riftia pachyptila | |
| Scientific classification | |
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| Family: | Siboglinidae Caullery, 1914
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Birsteinia | |
Siboglinidae is a family of annelid worms whose members made up the former phyla Pogonophora (the giant tube worms) and Vestimentifera. They are a small group of deep sea tube worms often found growing around deep sea volcanic vents. The rear of the body is segmented. They completely lose their digestive tract during metamorphosis and feed primarily on symbiotic hydrogen sulifde- or methane-oxidizing bacteria living in an internal organ, the trophosome. The first specimen was dredged from the waters of what is now Indonesia in 1900.
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