Acrocirridae is a

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

polychaete Polychaeta () is a paraphyletic class of generally marine Annelid, annelid worms, common name, commonly called bristle worms or polychaetes (). Each body segment has a pair of fleshy protrusions called parapodia that bear many bristles, called c ...

worm Worms are many different distantly related bilateria, bilateral animals that typically have a long cylindrical tube-like body, no limb (anatomy), limbs, and usually no eyes. Worms vary in size from microscopic to over in length for marine ...

s. Acrocirrids are

detritivore Detritivores (also known as detrivores, detritophages, detritus feeders or detritus eaters) are heterotrophs that obtain nutrients by consuming detritus (decomposing plant and animal parts as well as feces). There are many kinds of invertebrates, ...

s (deposit feeders), catching falling particles with numerous long prostomial

tentacle In zoology, a tentacle is a flexible, mobile, and elongated organ present in some species of animals, most of them invertebrates. In animal anatomy, tentacles usually occur in one or more pairs. Anatomically, the tentacles of animals work main ...

s. There are eight known

genera Genus (; : genera ) is a taxonomic rank above species and below family as used in the biological classification of living and fossil organisms as well as viruses. In binomial nomenclature, the genus name forms the first part of the binomial s ...

, and at least 21 described

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

and subspecies within the Acrocirridae. The acrocirrids are primarily

benthic The benthic zone is the ecological region at the lowest level of a body of water such as an ocean, lake, or stream, including the sediment surface and some sub-surface layers. The name comes from the Ancient Greek word (), meaning "the depths". ...

(

seabed The seabed (also known as the seafloor, sea floor, ocean floor, and ocean bottom) is the bottom of the ocean. All floors of the ocean are known as seabeds. The structure of the seabed of the global ocean is governed by plate tectonics. Most of ...

-dwelling) animals, but at least two genera ('' Swima'' and '' Teuthidodrilus'') appear to have evolved or adapted to a

pelagic The pelagic zone consists of the water column of the open ocean and can be further divided into regions by depth. The word ''pelagic'' is derived . The pelagic zone can be thought of as an imaginary cylinder or water column between the sur ...

(free-swimming)

habitat In ecology, habitat refers to the array of resources, biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species' habitat can be seen as the physical manifestation of its ...

Systematics

Following is a list of genera and species within the family Acrocirridae: * Genus '' Acrocirrus'' Grube, 1873 ** '' Acrocirrus aciculigerus'' Kudenov, 1976 ** '' Acrocirrus bansei'' Magalhães & Bailey-Brock, 2012 ** '' Acrocirrus columbianus'' Banse, 1979 ** '' Acrocirrus crassifilis'' Moore, 1923 ** '' Acrocirrus frontifilis'' (Grube, 1860) ** '' Acrocirrus heterochaetus'' Annenkova, 1934 ** '' Acrocirrus incisa'' Kudenov, 1975 ** '' Acrocirrus muroranensis'' Okuda, 1934 ** '' Acrocirrus occipitalis'' Banse, 1979 ** '' Acrocirrus okotensis'' Imajima, 1963 ** Southern Acrocirrus imported from iNaturalist photo 107314750 on 16 January 2023

Southern Acrocirrus imported from iNaturalist photo 107314750 on 16 January 2023

'' Acrocirrus trisectus'' Banse, 1969 ** '' Acrocirrus uchidai'' Okuda, 1934 ** '' Acrocirrus validus'' Marenzeller, 1879 * Genus '' Chauvinelia'' Laubier, 1974 ** '' Chauvinelia arctica'' Averincev, 1980 ** '' Chauvinelia biscayensis'' Laubier, 1974 * Genus '' Flabelligella'' Hartman, 1965 ** '' Flabelligella macrochaeta'' (Fauchald, 1972) ** '' Flabelligella mexicana'' Fauchald, 1972 ** '' Flabelligella minuta'' Hartman, 1965 ** '' Flabelligella papillata'' Hartman, 1965 * Genus '' Flabelligena'' Gillet, 2001 ** '' Flabelligena amoureuxi'' Gillet, 2001 ** '' Flabelligena biscayensis'' (Kolmer, 1985) ** '' Flabelligena cirrata'' (Hartman & Fauchald, 1971) ** '' Flabelligena erratica'' (Orensanz, 1974) ** '' Flabelligena gascognensis'' Aguirrezabalaga & Ceberio, 2006 ** '' Flabelligena mediterranea'' (Kolmer, 1985) * Genus '' Helmetophorus'' Hartman, 1978 ** '' Helmetophorus rankini'' Hartman, 1978 * Genus '' Macrochaeta'' Grube, 1850 ** '' Macrochaeta australiensis'' Kudenov, 1976 ** '' Macrochaeta bansei'' Hartmann-Schröder, 1974 ** '' Macrochaeta clavicornis'' (M. Sars, 1835) ** '' Macrochaeta helgolandica'' Friedrich, 1937 ** '' Macrochaeta leidyi'' (Verrill, 1882) ** '' Macrochaeta multipapillata'' Westheide, 1981 ** '' Macrochaeta natalensis'' Hartmann-Schröder, 1996 ** '' Macrochaeta papillosa'' Ehlers, 1913 ** '' Macrochaeta pege'' Banse, 1969 ** '' Macrochaeta polyonyx'' Eliason, 1962 ** '' Macrochaeta sexoculata'' (Webster & Benedict, 1887) ** '' Macrochaeta westheidei'' Santos & Silva, 1993 * Genus '' Swima'' Osborn, Haddock, Pleijel, Madin & Rouse, 2009 ** '' S. bombiviridis'' Osborn, Haddock, Pleijel, Madin & Rouse, 2009 (also known as Green Bomber Worm or Bombardier Worm),

Monterey Bay Monterey Bay is a bay of the Pacific Ocean located on the coast of the U.S. state of California, south of the San Francisco Bay Area. San Francisco itself is further north along the coast, by about 75 miles (120 km), accessible via California S ...

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

** '' Swima fulgida'' Osborn, Haddock & Rouse, 2011 ** '' Swima tawitawiensis'' Osborn, Haddock & Rouse, 2011 * Genus '' Teuthidodrilus'' Osborn, Madin & Rouse, 2011 ** '' Teuthidodrilus samae'' Osborn, Madin & Rouse, 2011 (also known as Squidworm),

Celebes Sea The Celebes Sea ( ; ) or Sulawesi Sea (; ) of the western Pacific Ocean is bordered on the north by the Sulu Archipelago and Sulu Sea and Mindanao Island of the Philippines, on the east by the Sangihe Islands chain, on the south by Sulawes ...

East Indian Archipelago The East Indian Archipelago is an area designated by the International Hydrographic Organization (IHO). It encompasses twelve seas, two gulfs, and one strait in the East Indies (Southeast Asia). Seas In draft 4 of the IHO's publication S-23 '' L ...

References

External links

Terebellida {{annelid-stub

Systematics

See also

References

External links