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Abarenicola Gilchristi
''Abarenicola'' is a genus of polychaetes belonging to the family Arenicolidae. The genus has almost cosmopolitan distribution. Species: *'' Abarenicola affinis'' *''Abarenicola assimilis'' *''Abarenicola brevior'' *''Abarenicola claparedi'' *''Abarenicola devia'' *'' Abarenicola gilchristi'' *'' Abarenicola haswelli'' *'' Abarenicola insularum'' *'' Abarenicola oceanica'' *''Abarenicola pacifica ''Abarenicola pacifica'' or the Pacific lugworm is a large species of polychaete worm found on the west coast of North America and also in Japan. The worms live out of sight in burrows under the sand and produce casts which are visible on the sur ...'' *'' Abarenicola pusilla'' References {{Taxonbar, from=Q4246526 Annelids ...
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Polychaetes
Polychaeta () is a paraphyletic class of generally marine annelid worms, commonly called bristle worms or polychaetes (). Each body segment has a pair of fleshy protrusions called parapodia that bear many bristles, called chaetae, which are made of chitin. More than 10,000 species are described in this class. Common representatives include the lugworm (''Arenicola marina'') and the sandworm or clam worm ''Alitta''. Polychaetes as a class are robust and widespread, with species that live in the coldest ocean temperatures of the abyssal plain, to forms which tolerate the extremely high temperatures near hydrothermal vents. Polychaetes occur throughout the Earth's oceans at all depths, from forms that live as plankton near the surface, to a 2- to 3-cm specimen (still unclassified) observed by the robot ocean probe ''Nereus'' at the bottom of the Challenger Deep, the deepest known spot in the Earth's oceans. Only 168 species (less than 2% of all polychaetes) are known from fresh ...
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Arenicolidae
Arenicolidae is a family of marine polychaete worms. They are commonly known as lugworms and the little coils of sand they produce are commonly seen on the beach. Arenicolids are found worldwide, mostly living in burrows in sandy substrates. Most are detritivores but some graze on algae. Description The arenicolids are characterised by an elongated cylindrical body separated into two or three distinct regions. The prostomium has no appendages or palps. There are one or two anterior segments without setae. On the other segments, all the setae are unbranched, including the capillary setae and the rostrate uncini. The notopodia are bluntly truncate and the neuropodia are elongated tori forming long transverse welts in some of the setigers. The notosetae have either a capillary function or act as limbs and the neurosetae are rostrate hooks. There are branchiae present on some of the setigers in the middle or posterior regions. Apart from the genus '' Branchiomaldane'', the lugwor ...
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Cosmopolitan Distribution
In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of the world in appropriate habitats. Such a taxon, usually a species, is said to exhibit cosmopolitanism or cosmopolitism. The extreme opposite of a cosmopolitan species is an endemic one, being found only in a single geographical location. Qualification The caveat “in appropriate habitat” is used to qualify the term "cosmopolitan distribution", excluding in most instances polar regions, extreme altitudes, oceans, deserts, or small, isolated islands. For example, the housefly is highly cosmopolitan, yet is neither oceanic nor polar in its distribution. Related terms and concepts The term pandemism also is in use, but not all authors are consistent in the sense in which they use the term; some speak of pandemism mainly in referring to diseases and pandemics, and some as a term intermediate between endemism and cosmopolitanism, in effect regarding pandemism as ...
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Abarenicola Affinis
''Abarenicola affinis'' is a species of polychaetes belonging to the family Arenicolidae Arenicolidae is a family of marine polychaete worms. They are commonly known as lugworms and the little coils of sand they produce are commonly seen on the beach. Arenicolids are found worldwide, mostly living in burrows in sandy substrates. Most .... The species is found in South Hemisphere (southern areas). They typically live in soft sediments and are filter-feeders. References Annelids Animals described in 1903 Fauna of the Pacific Ocean {{Annelid-stub ...
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Abarenicola Assimilis
''Abarenicola'' is a genus of polychaetes belonging to the family Arenicolidae. The genus has almost cosmopolitan distribution. Species: *'' Abarenicola affinis'' *'' Abarenicola assimilis'' *'' Abarenicola brevior'' *'' Abarenicola claparedi'' *'' Abarenicola devia'' *'' Abarenicola gilchristi'' *'' Abarenicola haswelli'' *'' Abarenicola insularum'' *'' Abarenicola oceanica'' *''Abarenicola pacifica ''Abarenicola pacifica'' or the Pacific lugworm is a large species of polychaete worm found on the west coast of North America and also in Japan. The worms live out of sight in burrows under the sand and produce casts which are visible on the sur ...'' *'' Abarenicola pusilla'' References {{Taxonbar, from=Q4246526 Annelids ...
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Abarenicola Brevior
''Abarenicola'' is a genus of polychaetes belonging to the family Arenicolidae. The genus has almost cosmopolitan distribution. Species: *'' Abarenicola affinis'' *''Abarenicola assimilis'' *'' Abarenicola brevior'' *'' Abarenicola claparedi'' *'' Abarenicola devia'' *'' Abarenicola gilchristi'' *'' Abarenicola haswelli'' *'' Abarenicola insularum'' *'' Abarenicola oceanica'' *''Abarenicola pacifica ''Abarenicola pacifica'' or the Pacific lugworm is a large species of polychaete worm found on the west coast of North America and also in Japan. The worms live out of sight in burrows under the sand and produce casts which are visible on the sur ...'' *'' Abarenicola pusilla'' References {{Taxonbar, from=Q4246526 Annelids ...
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Abarenicola Claparedi
''Abarenicola'' is a genus of polychaetes belonging to the family Arenicolidae. The genus has almost cosmopolitan distribution. Species: *'' Abarenicola affinis'' *''Abarenicola assimilis'' *''Abarenicola brevior'' *'' Abarenicola claparedi'' *'' Abarenicola devia'' *'' Abarenicola gilchristi'' *'' Abarenicola haswelli'' *'' Abarenicola insularum'' *'' Abarenicola oceanica'' *''Abarenicola pacifica ''Abarenicola pacifica'' or the Pacific lugworm is a large species of polychaete worm found on the west coast of North America and also in Japan. The worms live out of sight in burrows under the sand and produce casts which are visible on the sur ...'' *'' Abarenicola pusilla'' References {{Taxonbar, from=Q4246526 Annelids ...
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Abarenicola Devia
''Abarenicola'' is a genus of polychaetes belonging to the family Arenicolidae. The genus has almost cosmopolitan distribution. Species: *'' Abarenicola affinis'' *''Abarenicola assimilis'' *''Abarenicola brevior'' *''Abarenicola claparedi'' *'' Abarenicola devia'' *'' Abarenicola gilchristi'' *'' Abarenicola haswelli'' *'' Abarenicola insularum'' *'' Abarenicola oceanica'' *''Abarenicola pacifica ''Abarenicola pacifica'' or the Pacific lugworm is a large species of polychaete worm found on the west coast of North America and also in Japan. The worms live out of sight in burrows under the sand and produce casts which are visible on the sur ...'' *'' Abarenicola pusilla'' References {{Taxonbar, from=Q4246526 Annelids ...
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Abarenicola Gilchristi
''Abarenicola'' is a genus of polychaetes belonging to the family Arenicolidae. The genus has almost cosmopolitan distribution. Species: *'' Abarenicola affinis'' *''Abarenicola assimilis'' *''Abarenicola brevior'' *''Abarenicola claparedi'' *''Abarenicola devia'' *'' Abarenicola gilchristi'' *'' Abarenicola haswelli'' *'' Abarenicola insularum'' *'' Abarenicola oceanica'' *''Abarenicola pacifica ''Abarenicola pacifica'' or the Pacific lugworm is a large species of polychaete worm found on the west coast of North America and also in Japan. The worms live out of sight in burrows under the sand and produce casts which are visible on the sur ...'' *'' Abarenicola pusilla'' References {{Taxonbar, from=Q4246526 Annelids ...
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Abarenicola Haswelli
''Abarenicola'' is a genus of polychaetes belonging to the family Arenicolidae. The genus has almost cosmopolitan distribution. Species: *'' Abarenicola affinis'' *''Abarenicola assimilis'' *''Abarenicola brevior'' *''Abarenicola claparedi'' *''Abarenicola devia'' *''Abarenicola gilchristi'' *'' Abarenicola haswelli'' *'' Abarenicola insularum'' *'' Abarenicola oceanica'' *''Abarenicola pacifica ''Abarenicola pacifica'' or the Pacific lugworm is a large species of polychaete worm found on the west coast of North America and also in Japan. The worms live out of sight in burrows under the sand and produce casts which are visible on the sur ...'' *'' Abarenicola pusilla'' References {{Taxonbar, from=Q4246526 Annelids ...
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Abarenicola Insularum
''Abarenicola'' is a genus of polychaetes belonging to the family Arenicolidae. The genus has almost cosmopolitan distribution. Species: *'' Abarenicola affinis'' *''Abarenicola assimilis'' *''Abarenicola brevior'' *''Abarenicola claparedi'' *''Abarenicola devia'' *''Abarenicola gilchristi'' *''Abarenicola haswelli'' *'' Abarenicola insularum'' *'' Abarenicola oceanica'' *''Abarenicola pacifica ''Abarenicola pacifica'' or the Pacific lugworm is a large species of polychaete worm found on the west coast of North America and also in Japan. The worms live out of sight in burrows under the sand and produce casts which are visible on the sur ...'' *'' Abarenicola pusilla'' References {{Taxonbar, from=Q4246526 Annelids ...
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Abarenicola Oceanica
''Abarenicola'' is a genus of polychaetes belonging to the family Arenicolidae. The genus has almost cosmopolitan distribution. Species: *'' Abarenicola affinis'' *''Abarenicola assimilis'' *''Abarenicola brevior'' *''Abarenicola claparedi'' *''Abarenicola devia'' *''Abarenicola gilchristi'' *''Abarenicola haswelli'' *''Abarenicola insularum'' *'' Abarenicola oceanica'' *''Abarenicola pacifica ''Abarenicola pacifica'' or the Pacific lugworm is a large species of polychaete worm found on the west coast of North America and also in Japan. The worms live out of sight in burrows under the sand and produce casts which are visible on the sur ...'' *'' Abarenicola pusilla'' References {{Taxonbar, from=Q4246526 Annelids ...
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