Syllidae

Family of annelids From Wikipedia, the free encyclopedia

Syllidae

Syllidae, commonly known as the necklace worms,[2] is a family of small to medium-sized polychaete worms. Syllids are distinguished from other polychaetes by the presence of a muscular region of the anterior digestive tract known as the proventricle.[3][4]

Quick Facts Scientific classification, Synonyms ...
Syllidae
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Syllis gracilis micrograph, showing the distinctive barrel-shaped proventricle
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Annelida
Clade: Pleistoannelida
Subclass: Errantia
Order: Phyllodocida
Suborder: Nereidiformia
Family: Syllidae
Grube 1850[1]
Synonyms

Levidoridae

Close
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Schizogamy in syllid polychaete

Syllid worms range in size from 2–3 mm (0.08–0.12 in) to 14 centimetres (5.5 in). Most syllids are benthic organisms that transition to a pelagic epitoke for reproduction. They are found in all regions of the ocean, from the intertidal zone to the deep sea, and are especially abundant in shallow water.[3][5]

They are found in a range of habitats, moving actively on rock and sandy substrates, hiding in crevices and among seaweeds, and climbing on sponges, corals, hydrozoans, seagrasses and mangroves. They are generalist feeders.[6] A young Syllid was one of the first worms to be found with pollen from seagrass in its stomach, making it a possible pollinator.[7]

The proventricle, Syllid worm's most distinctive anatomical feature, allows the worm to feed by sucking due to its pumping action. It also plays a role in hormone production, and thus the worm's sexual development.[4] The proventricle is composed of strirated muscle cells with the longest known sacromeres among animals.[8] The proventricle is usually visible through the body wall.[9]

Syllis ramosa was the first polychaete discovered to have a branching body plan.[10] Later, two species of Ramisyllis were discovered to have a branching body plan.

Subfamilies

  • Anoplosyllinae
    • Streptosyllis
      • Streptosyllis bidentata (Southern, 1914)
      • Streptosyllis websteri (Southern, 1914)
    • Syllides
      • Syllides benedicti (Banse, 1971)
      • Syllides longocirrata (Ørsted, 1845)
  • Eusyllinae
    • Eusyllis
      • Eusyllis assimilis (Marenzeller, 1875)
      • Eusyllis blomstrandi (Malmgren, 1867)
      • Eusyllis lamelligera (Marion & Bobretzky, 1875)
    • Nudisyllis
      • Nudisyllis divaricata (Keferstein, 1862)
      • Nudisyllis pulligera (Krohn, 1852)
    • Odontosyllis
    • Opisthodonta
      • Opisthodonta longocirrata (Saint-Joseph, 1886)
    • Pionosyllis
    • Synmerosyllis
      • Synmerosyllis lamelligera (Saint-Joseph, 1886)
  • Autolytinae
    • Epigamia
      • Epigamia alexandri (Malmgren, 1867)
    • Myrianida
      • Myrianida brachycephala (Marenzeller, 1874)
      • Myrianida edwarsi (Saint-Joseph, 1886)
      • Myrianida inermis (Saint-Joseph, 1886)
      • Myrianida langerhansi (Gidholm, 1967)
      • Myrianida pinnigera (Montagu, 1808)
      • Myrianida prolifera (O.F. Müller, 1788)
      • Myrianida quinquedecimdentata (Langerhans, 1884)
      • Myrianida rubropunctata (Grube, 1860)
    • Proceraea
      • Proceraea aurantiaca (Claparède, 1868)
      • Proceraea cornuta (Agassiz, 1862)
      • Proceraea picta (Ehlers, 1864)
      • Proceraea prismatica (O.F. Müller, 1776)
      • Procerastea halleziana (Malaquin, 1893)
      • Procerastea nematodes (Langerhans, 1884)
  • Exogoninae
  • Syllinae
    • Syllis
      • Syllis aciculigrossa (San Martín, 1990)
      • Syllis adamantea (Treadwell, 1914)
      • Syllis albae (Álvarez-Campos & Verdes, 2017)
      • Syllis albanyensis (Hartmann-Schröder, 1984)
      • Syllis alosae (San Martín, 1992)
      • Syllis alternata (Moore, 1908)
      • Syllis amica (Quatrefages, 1866)
      • Syllis amicarmillaris (Simon, San Martín & Robinson, 2014)
      • Syllis anoculata (Hartmann-Schröder, 1962)
      • Syllis antoniae (Salcedo Oropeza, San Martín & Solís-Weiss, 2012)
      • Syllis armillaris (O.F. Müller, 1776)
      • Syllis augeneri (Haswell, 1920)
      • Syllis barbata (San Martín, 1992)
      • Syllis bella (Chamberlin, 1919)
      • Syllis beneliahuae (Campoy & Alquézar, 1982)
      • Syllis benguellana (Day, 1963)
      • Syllis boggemanni (San Martín, Álvarez-Campos & Hutchings, 2017)
      • Syllis botosaneanui (Hartmann-Schröder, 1973)
      • Syllis brasiliensis (McIntosh, 1885)
      • Syllis breviarticulata (Grube, 1857)
      • Syllis brevicirrata (McIntosh, 1908)
      • Syllis brevicirris (Hansen, 1882)
      • Syllis broomensis (Hartmann-Schröder, 1979)
      • Syllis caeca (Monro, 1933)
      • Syllis castroviejoi (Capa, San Martín & López, 2001)
      • Syllis cerina (Grube, 1878)
      • Syllis cirrita (Lee & Rho, 1994)
      • Syllis columbretensis (Campoy, 1982)
      • Syllis compacta (Gravier, 1900)
      • Syllis corallicola (Verrill, 1900)
      • Syllis cornuta (Rathke, 1843)
      • Syllis crassicirrata (Treadwell, 1925)
      • Syllis cruzi (Núñez & San Martín, 1991)
      • Syllis curticirris (Monro, 1937)
      • Syllis danieli (San Martín, 1992)
      • Syllis deleoni (Salcedo Oropeza, San Martín & Solís-Weiss, 2012)
      • Syllis edensis (Hartmann-Schröder, 1989)
      • Syllis elongata (Johnson, 1901)
      • Syllis ergeni (Çinar, 2005)
      • Syllis erikae (Hartmann-Schröder, 1981)
      • Syllis fasciata (Malmgren, 1867)
      • Syllis ferrani (Alós & San Martín, 1987)
      • Syllis filidentata (Hartmann-Schröder, 1962)
      • Syllis garciai (Campoy, 1982)
      • Syllis gerlachi (Hartmann-Schröder, 1960)
      • Syllis gerundensis (Alós & Campoy, 1981)
      • Syllis glandulata (Nogueira & San Martín, 2002)
      • Syllis glarearia (Westheide, 1974)
      • Syllis golfonovensis (Hartmann-Schröder, 1962)
      • Syllis gracilis (Grube, 1840)
      • Syllis guidae (Nogueira & Yunda-Guarin, 2008)
      • Syllis heterochaeta (Moore, 1909)
      • Syllis hyalina (Grube, 1863)
      • Syllis hyllebergi (Licher, 1999)
      • Syllis joaoi (San Martín, Álvarez-Campos & Hutchings, 2017)
      • Syllis jorgei (San Martín & López, 2000)
      • Syllis kabilica (Ben-Eliahu, 1977)
      • Syllis karlae (San Martín, Álvarez-Campos & Hutchings, 2017)
      • Syllis kas (Lucas, Sikorski & San Martín, 2018)
      • Syllis komodoensis (Aguado, San Martín & ten Hove, 2008)
      • Syllis krohnii (Ehlers, 1864)
      • Syllis lagunae (Tovar-Hernández, Hernández-Alcántara & Solís-Weiss, 2008)
      • Syllis latifrons (Grube, 1857)
      • Syllis licheri (Ravara, San Martín & Moreira, 2004)
      • Syllis limbata (Grube, 1880)
      • Syllis longesegmentata (Grube, 1857)
      • Syllis lunaris (Imajima, 1966)
      • Syllis lutea (Hartmann-Schröder, 1960)
      • Syllis luteoides (Hartmann-Schröder, 1962)
      • Syllis macroceras (Grube, 1857)
      • Syllis macrodentata (Hartmann-Schröder, 1982)
      • Syllis magdalena (Wesenberg-Lund, 1962)
      • Syllis magnapalpa (Hartmann-Schröder, 1965)
      • Syllis marceloi (San Martín, Álvarez-Campos & Hutchings, 2017)
      • Syllis marugani (Aguado, San Martín & Nishi, 2006)
      • Syllis maryae (San Martín, 1992)
      • Syllis mauretanica (Licher, 1999)
      • Syllis mayeri (Musco & Giangrande, 2005)
      • Syllis mercedesae (Lucas, San Martín & Parapar, 2012)
      • Syllis mexicana (Rioja, 1960)
      • Syllis microoculata (Hartmann-Schröder, 1965)
      • Syllis monilaris (Savigny in Lamarck, 1818)
      • Syllis mytilorum (Studer, 1889)
      • Syllis nigra (Augener, 1925)
      • Syllis nigrescens (Grube, 1878)
      • Syllis nigricirris (Grube, 1863)
      • Syllis nigriscens (Grube, 1878)
      • Syllis nigropunctata (Haswell, 1886)
      • Syllis notocera (Ehlers, 1905)
      • Syllis nuchalis (Hartmann-Schröder, 1960)
      • Syllis obscura (Grube, 1857)
      • Syllis onkylochaeta (Hartmann-Schröder, 1991)
      • Syllis ortizi (San Martín, 1992)
      • Syllis parapari (San Martín & López, 2000)
      • Syllis parturiens (Haswell, 1920)
      • Syllis pectinans (Haswell, 1920)
      • Syllis picta (Kinberg, 1866)
      • Syllis pigmentata (Chamberlin, 1919)
      • Syllis pilosa (Aguado, San Martín & Nishi, 2008)
      • Syllis pontxioi (San Martín & López, 2000)
      • Syllis profunda (Cognetti, 1955)
      • Syllis prolifera (Krohn, 1852)
      • Syllis prolixa (Ehlers, 1901)
      • Syllis pseudoarmillaris (Nogueira & San Martín, 2002)
      • Syllis pulvinata (Langerhans, 1881)
      • Syllis quadrifasciata (Fischli, 1900)
      • Syllis quaternaria (Moore, 1906)
      • Syllis ramosa (McIntosh, 1879)
      • Syllis riojai (San Martín, 1990)
      • Syllis robertianae (McIntosh, 1885)
      • Syllis rosea (Langerhans, 1879)
      • Syllis rubicunda (Aguado, San Martín & Nishi, 2008)
      • Syllis rudolphi (Delle Chiaje, 1841)
      • Syllis schulzi (Hartmann-Schröder, 1960)
      • Syllis sclerolaema (Ehlers, 1901)
      • Syllis setoensis (Imajima, 1966)
      • Syllis sol (San Martín, 2004)
      • Syllis stenura (Blanchard in Gay, 1849)
      • Syllis tamarae (Álvarez-Campos & Verdes, 2017)
      • Syllis tiedemanni (Delle Chiaje, 1841)
      • Syllis torquata (Marion & Bobretzky, 1875)
      • Syllis tripantu (Álvarez-Campos & Verdes, 2017)
      • Syllis truncata (Haswell, 1920)
      • Syllis tyrrhena (Licher & Kuper, 1998)
      • Syllis umbricolor (Grube, 1878)
      • Syllis unzima (Simon, San Martín & Robinson, 2014)
      • Syllis valida (Grube, 1857)
      • Syllis variegata (Grube, 1860)
      • Syllis villenai (Aguado, San Martín & ten Hove, 2008)
      • Syllis violacea (Grube, 1870)
      • Syllis vittata (Grube, 1840)
      • Syllis vivipara (Krohn, 1869)
      • Syllis warrnamboolensis (Hartmann-Schröder, 1987)
      • Syllis westheidei (San Martín, 1984)
      • Syllis yallingupensis (Hartmann-Schröder, 1982)
      • Syllis ypsiloides (Aguado, San Martín & ten Hove, 2008)
    • Ramisyllis

References

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