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Polychaeta taxon detailsManayunkia speciosa Leidy, 1859
155021 (urn:lsid:marinespecies.org:taxname:155021)
accepted
Species
Manayunkia eriensis Krecker, 1939 · unaccepted (subjective synonym)
Manyunkia speciosa Leidy, 1859 · unaccepted > misspelling - incorrect subsequent spelling (subsequent genus misspeling)
recent only
Leidy, Joseph. (1859 [for 1858]). "Manayunkia speciosa" [untitled meeting report]. <em>Journal of the Academy of Natural Sciences of Philadelphia.</em> 10: 90., available online at https://biodiversitylibrary.org/page/47535683
page(s): 90 [no figures] [details]
Note Schuylkill River, Pennsylvania, also known as...
From editor or global species database
Type locality Schuylkill River, Pennsylvania, also known as Manayunk River (fide Leidy, 1859 [details]
Description Original description: "Dr. Leidy called the attention of the members to a drawing of a curious worm, which he said was...
Description Original description: "Dr. Leidy called the attention of the members to a drawing of a curious worm, which he said was obtained from the Schuylkill river, and was interesting from its being more nearly allied to marine forms than any other known fresh water species. It lives in tubes of mud; and is about a line in length. The body is divided into twelve annuli, including the head, which is cup-shaped, has two eyes, and supports on each side a process provided with seventeen cylindrical ciliated arms. The rings, except the head, are provided with four rows of bristles and two rows of podal hooks. The bristles are from four to six in a bunch; those anteriorly having a falcate extremity, and those posteriorly being whip-like. The anterior hooks are in series of five; and have a long handle with a lancet-like extremity. The posterior hooks are from fifteen to twenty in a series, and have a long handle with the extremity expanded and serrated on one side. It appears to be most nearly allied to the marine genus Fabricia. He proposed for it the name Manayunkia speciosa, from the Indian name of the river in which it was first discovered." [details] Distribution Northeastern United States: Pennsylvania, New Jersey, North Carolina, Great Lakes, northern Alaska(?). (Fide Bick &...
Distribution Northeastern United States: Pennsylvania, New Jersey, North Carolina, Great Lakes, northern Alaska(?). (Fide Bick & Bastrop, 2025) [details]
Read, G.; Fauchald, K. (Ed.) (2025). World Polychaeta Database. Manayunkia speciosa Leidy, 1859. Accessed at: https://www.marinespecies.org/polychaeta/aphia.php?p=taxdetails&id=155021 on 2026-10-05
Date action by
original description
Leidy, Joseph. (1859 [for 1858]). "Manayunkia speciosa" [untitled meeting report]. <em>Journal of the Academy of Natural Sciences of Philadelphia.</em> 10: 90., available online at https://biodiversitylibrary.org/page/47535683
page(s): 90 [no figures] [details] original description (of Manayunkia eriensis Krecker, 1939) Krecker, Frederick H. 1939. Polychaete annelid worms in the Great Lakes. Science, N.Y., 89(2303): 153., available online at https://doi.org/10.1126/science.89.2303.153 [details] taxonomy source Leidy, Joseph. (1860 [for 1859]). "Manayunkia speciosa" [meeting report]. <em>Journal of the Academy of Natural Sciences of Philadelphia.</em> 11:2., available online at https://biodiversitylibrary.org/page/1652960 [details] additional source Armendariz, Laura C.; Paola, Analía; Rodrigues Capítulo, Alberto. (2011). Manayunkia speciosa Leidy (Polychaeta: Sabellidae): introduction of this nonindigenous species in the Neotropical Region (Uruguay river, South America). <em>Biological Invasions.</em> 13(2): 281-284., available online at https://link.springer.com/article/10.1007%2Fs10530-010-9838-0 note: A misidentification of Monroika clarae. Manayunkia speciosa is not introduced to Argentina [details] additional source Britt, N. Wilson. (1965). A brief note on the distribution of the polychaete, <i>Manayunkia speciosa</i> Leidy, in western Lake Erie. <em>The Ohio Journal of Science.</em> 65(4): 175-176., available online at http://hdl.handle.net/1811/5087 [details] Available for editors  [request]additional source Hare, Landis; Carter, John C.H. (1977). The Oligochaeta, Polychaeta and Nemertea of Parry Sound, Georgian Bay. <em>Journal of Great Lakes Research.</em> 3(3-4): 184-190., available online at https://www.sciencedirect.com/science/article/abs/pii/S0380133077722476 [details] Available for editors [request]additional source Hartman, Olga. (1951). Fabricinae (feather-duster polychaetous annelids) in the Pacific. <em>Pacific Science.</em> 5(4): 379-391., available online at http://hdl.handle.net/10125/8871 page(s): 389 [details] Available for editors [request]additional source Hartman, Olga. (1959). Catalogue of the Polychaetous Annelids of the World. Parts 1 and 2. <em>Allan Hancock Foundation Occasional Paper.</em> 23: 1-628. [details] Available for editors [request]additional source Hazel, Charles Richard. (1966). A note on the freshwater polychaete, <i>Manayunkia speciosa</i> Leidy, from California and Oregon. <em>The Ohio Journal of Science.</em> 66(5): 533-535., available online at http://hdl.handle.net/1811/5232 [details] Available for editors [request]additional source Hiltunen, Jarl K. (1965). Distribution and abundance of the polychaete, <i>Manayunkia speciosa</i> Leidy, in western Lake Erie. <em>The Ohio Journal of Science.</em> 65(4): 183-185., available online at http://hdl.handle.net/1811/5089 [details] Available for editors [request]additional source Verner, Keith. (1981). Two sabellid polychaetes of the Columbia River Estuary. <em>The Ohio Journal of Science.</em> 81(4): 182-183., available online at http://hdl.handle.net/1811/22794 [details] Available for editors [request]redescription Bick, Andreas; Bastrop, Ralf. (2025). Revision of the genus Manayunkia Leidy, 1859, and establishment of two subfamilies within Fabriciidae (Annelida, Sabellida). <em>Zootaxa.</em> 5661(1): 1-58., available online at https://mapress.com/zt/article/view/zootaxa.5661.1.1 page(s): 37, figures 1 & 21; note: Non-type material examined from Western Lake Erie, and Lake Norman, N Carolina. Authors question whether all prior reports from around N America are this species (M occidentalis from NW N America is a... Non-type material examined from Western Lake Erie, and Lake Norman, N Carolina. Authors question whether all prior reports from around N America are this species (M occidentalis from NW N America is a valid species)
[request]redescription Leidy, Joseph. (1884 [1883 year]). Manayunkia speciosa. <em>Journal of the Academy of Natural Sciences of Philadelphia.</em> 35:204-212, 1 plate., available online at https://biodiversitylibrary.org/page/26279862 page(s): 204; note: first full description, first figure [details]  ecology source Holmquist, Charlotte 1967. Manayunkia speciosa Leidy - a fresh-water polychaete found in northern Alaska. Hydrobiologia 29(3/4): 297-304., available online at https://doi.org/10.1007/bf00189901 [details]  Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Description Original description: "Dr. Leidy called the attention of the members to a drawing of a curious worm, which he said was obtained from the Schuylkill river, and was interesting from its being more nearly allied to marine forms than any other known fresh water species. It lives in tubes of mud; and is about a line in length. The body is divided into twelve annuli, including the head, which is cup-shaped, has two eyes, and supports on each side a process provided with seventeen cylindrical ciliated arms. The rings, except the head, are provided with four rows of bristles and two rows of podal hooks. The bristles are from four to six in a bunch; those anteriorly having a falcate extremity, and those posteriorly being whip-like. The anterior hooks are in series of five; and have a long handle with a lancet-like extremity. The posterior hooks are from fifteen to twenty in a series, and have a long handle with the extremity expanded and serrated on one side. It appears to be most nearly allied to the marine genus Fabricia. He proposed for it the name Manayunkia speciosa, from the Indian name of the river in which it was first discovered." [details]Distribution Northeastern United States: Pennsylvania, New Jersey, North Carolina, Great Lakes, northern Alaska(?). (Fide Bick & Bastrop, 2025) [details] Identification The identification of an Argentine fabriciid as an introduced Manayunkia speciosa was incorrect according to Bick & Armendáriz, 2021, who describe the species as Monroika clarae [details] Type locality Schuylkill River, Pennsylvania, also known as Manayunk River (fide Leidy, 1859 [details]
To Barcode of Life (39 barcodes)
To Biodiversity Heritage Library (44 publications) To European Nucleotide Archive, ENA (Manayunkia speciosa) To GenBank (36 nucleotides; 36 proteins) To Yale Peabody Museum of Natural History (YPM IZ 088794) To ITIS Unreviewed
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