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Riftia pachyptila, a species known as giant tube worms [1] Lamellibrachia, a genus; Serpulidae, a family; Sabellidae, the family containing feather duster worms; Phoronida, the phylum containing horseshoe worms; Microconchida, an order of extinct tubeworms; Kuphus polythalamia, a bivalve mollusk species whose common name is giant tube worm
These worms can reach a length of 3 m (9 ft 10 in), [3] and their tubular bodies have a diameter of 4 cm (1.6 in). Its common name "giant tube worm" is, however, also applied to the largest living species of shipworm, Kuphus polythalamius, which despite the name "worm", is a bivalve mollusc rather than an annelid.
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 ...
Frenulata, "beard worms", is a clade of Siboglinidae, "tube worms". They are one of four lineages with numerous species. [1] [2] They may be the most basal clade in the family. [3] Despite being the first tube worms to be encountered and described, they remain the least studied group.
The giant tube worm lives inside a long narrow tube made from a chitin, that is the hard material of its outer skeleton, and it attaches to the ocean floor. [3] It possesses a retractable plume that is extended when the worm is not disturbed. Its size can go up to 2 metres (6.6 ft) tall.
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Adult worms can grow to 40 mm long and 3 mm wide. [2] The tube is hard, white, and triangular in cross-section with a ridge running along the top. This extends from above the tube opening to form a sharp protective spine. The operculum is a flat, calcareous plate. Its stalk is flat with prolonged wings.
Serpula (also known as calcareous tubeworm, serpulid tubeworm, fanworm, or plume worm) is a genus of sessile, marine annelid tube worms that belongs to the family Serpulidae. [3] Serpulid worms are very similar to tube worms of the closely related sabellid family, except that the former possess a cartilaginous operculum that occludes the ...