| Siboglinidae Temporal range: Pliensbachian-Holocene
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| Riftia pachyptila | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Annelida |
| Clade: | Pleistoannelida |
| Clade: | Sedentaria |
| Infraclass: | Canalipalpata |
| Order: | Sabellida |
| Family: | Siboglinidae Caullery, 1914 |
| Genera | |
Siboglinidae is a family of polychaete annelid worms whose members made up the former phyla Pogonophora and Vestimentifera (the giant tube worms).[1][2] The family is composed of around 100 species of vermiform creatures which live in thin tubes buried in sediment (Pogonophora) or in tubes attached to hard substratum (Vestimentifera) at ocean depths ranging from 100 to 10,000 m (300 to 32,800 ft). They can also be found in association with hydrothermal vents, methane seeps, sunken plant material, and whale carcasses.
The first specimen was dredged from the waters of Indonesia in 1900. These specimens were given to French zoologist Maurice Caullery, who studied them for nearly 50 years.
- ^ Kojima, S.; Hashimoto, T.; Hasegawa, M.; Murata, S.; Ohta, S.; Seki, H.; Okada, N. (July 1993). "Close phylogenetic relationship between vestimentifera (tube worms) and annelida revealed by the amino acid sequence of elongation factor-lα". Journal of Molecular Evolution. 37 (1): 66–70. Bibcode:1993JMolE..37...66K. doi:10.1007/BF00170463. PMID 8360920. S2CID 23391565.
- ^ Rouse, G. W. (2001). "A cladistic analysis of Siboglinidae Caullery, 1914 (Polychaeta, Annelida): formerly the phyla Pogonophora and Vestimentifera". Zoological Journal of the Linnean Society. 132 (1): 55–80. doi:10.1006/zjls.2000.0263.