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Riftia pachyptila, commonly known as the giant tube worm and less commonly known as the giant beardworm, is a marine invertebrate in the phylum Annelida [1] (formerly grouped in phylum Pogonophora and Vestimentifera) related to tube worms commonly found in the intertidal and pelagic zones.
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.
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 ...
And tube worms were observed living several centimeters deep within the cracks of the seafloor near vents, but the study team wasn’t sure how tiny tube worm larvae, less than 0.04 inch (1 ...
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
Deep in the Gulf of California, scientists have discovered a fantastical expanse of hydrothermal vents, full of crystallized gases, glimmering pools of piping-hot fluids and rainbow-hued life ...
A trophosome is a highly vascularised organ found in some animals that houses symbiotic bacteria that provide food for their host. Trophosomes are contained by the coelom of tube worms (family Siboglinidae, e.g. the giant tube worm Riftia pachyptila) [1] and in the body of symbiotic flatworms of the genus Paracatenula.
It was found to house bacterial symbiotes in Riftia. [7] Like other tube worms, they lack a digestive tract. [8] In order to survive, it holds endosymbiotic bacteria that supply the worm with nutrients. The bacteria nourishes the worm by oxidizing sulfur from its surrounding environment, with one methanotrophic exception being Siboglinum ...