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WoRMS taxon detailsHalocynthia pyriformis (Rathke, 1806)
103828 (urn:lsid:marinespecies.org:taxname:103828)
accepted
Species
Ascidia pyriformis Rathke, 1806 · unaccepted
Cynthia pyriformis (Rathke, 1806) · unaccepted (new combination)
Pyura pectinicola Michaelsen, 1908 · unaccepted (original combination)
Pyura pyriformis (Rathke, 1806) · unaccepted (new combination)
Rhabdocynthia pyriformis (Rathke, 1806) · unaccepted (new combination)
Tethyum pyriforme (Rathke, 1806) · unaccepted (misspelling)
Tethyum pyriformis (Rathke, 1806) · unaccepted (synonym)
marine,
(of Ascidia pyriformis Rathke, 1806) Rathke, J. (1806). in: Müller, O.F., Zoologia danica, sev Animalivm Daniae et Norvegiae rariorvm ac minvs notorvm descriptiones et historia. <em>Havniae 1906.</em> Ed. 3, 4: 1-46., available online at https://www.biodiversitylibrary.org/page/33601673 [details]
Distribution Arctic to Massachusetts
Distribution Arctic to Massachusetts [details]
Shenkar, N.; Gittenberger, A.; Lambert, G.; Rius, M.; Moreira da Rocha, R.; Swalla, B.J.; Turon, X. (2025). Ascidiacea World Database. Halocynthia pyriformis (Rathke, 1806). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=103828 on 2025-07-16
Date action by
Nomenclatureoriginal description
(of Pyura pectinicola Michaelsen, 1908) Michaelsen, W. (1908). Die Pyuriden (Halocynthiiden) des Naturhistorischen Museums zu Hamburg. <em>Jahrb. Wiss. Anst., Hamburg.</em> 25(2): 227-287. [details]  original description (of Ascidia pyriformis Rathke, 1806) Rathke, J. (1806). in: Müller, O.F., Zoologia danica, sev Animalivm Daniae et Norvegiae rariorvm ac minvs notorvm descriptiones et historia. <em>Havniae 1906.</em> Ed. 3, 4: 1-46., available online at https://www.biodiversitylibrary.org/page/33601673 [details] basis of record Monniot, C. (2001). Ascidiacea & Sorberacea. <em>In: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels.</em> 50: pp. 352-355. (look up in IMIS) [details] Othercontext source (Deepsea)
Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [details]
additional source Gosner, K. L. (1971). Guide to identification of marine and estuarine invertebrates: Cape Hatteras to the Bay of Fundy. <em>John Wiley & Sons, Inc., London.</em> 693 pp. [pdf copepod and branchiuran :445-455]. (look up in IMIS) [details] Available for editors  [request]additional source Linkletter, L. E. (1977). A checklist of marine fauna and flora of the Bay of Fundy. <em>Huntsman Marine Laboratory, St. Andrews, N.B.</em> 68: p. [details] additional source Logan, A. (1998). A sublittoral hard substrate epibenthic community below 30 m in Head Harbour Passage, New Brunswick, Canada. <em>Estuarine, Coastal and Shelf Science.</em> 27: 445-459. [details] additional source Meinkoth, N. A. (1981). Field guide to North American seashore creatures. <em>The Audubon Society.</em> 1-799. [details] additional source Miner, R. W. (1950). Field book of seashore life. <em>G.P. Putnam & Sons.</em> 1-888. [details] additional source Thomas, M. L. H. (1983). Marine and coastal systems of the Quoddy Region, New Brunswick. <em>Canadian Special Publication of Fisheries and Aquatic Sciences.</em> 64:1-306. [details] Available for editors [request]additional source Van Name, W. G. (1945). The North and South American ascidians. <em>Bull. Amer. Mus. Nat. Hist.</em> 84: 1-476., available online at http://digitallibrary.amnh.org/dspace/handle/2246/1186 [details] additional source Trott, T. J. (2004). Cobscook Bay inventory: a historical checklist of marine invertebrates spanning 162 years. <em>Northeastern Naturalist.</em> 11, 261-324., available online at http://www.gulfofmaine.org/kb/files/9793/TROTT-Cobscook%20List.pdf [details] Available for editors [request]additional source Integrated Taxonomic Information System (ITIS). , available online at http://www.itis.gov [details] additional source van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO). , available online at http://www.marinespecies.org/urmo/ [details]  Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
From editor or global species database
Genetic nomenclature abbreviation Haprfm [details]Unreviewed
Diet plankton feeder [details]Dimensions 62 mm in size [details] Distribution Arctic to Massachusetts [details] Habitat infralittoral and circalittoral of the Gulf and estuary [details] Reproduction hermaphroditic; eggs shed and fertilized in the water [details]
To Barcode of Life (9 barcodes)
To Biodiversity Heritage Library (1 publication) (from synonym Pyura pectinicola Michaelsen, 1908) To Biodiversity Heritage Library (12 publications) (from synonym Tethyum pyriforme (Rathke, 1806)) To Biodiversity Heritage Library (20 publications) (from synonym Pyura pyriformis (Rathke, 1806)) To Biodiversity Heritage Library (20 publications) To Biodiversity Heritage Library (8 publications) (from synonym Cynthia pyriformis (Rathke, 1806)) To European Nucleotide Archive, ENA (Halocynthia pyriformis) To GenBank (16 nucleotides; 12 proteins) To PESI To USNM Invertebrate Zoology Chordata Collection (2 records) (from synonym Tethyum pyriformis (Rathke, 1806)) To USNM Invertebrate Zoology Chordata Collection (50 records) To ITIS Unreviewed
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