RAS taxon details
Ilyanassa obsoleta (Say, 1822)
467490 (urn:lsid:marinespecies.org:taxname:467490)
accepted
Species
Nassarius obsoletus (Say, 1822) · unaccepted > superseded combination
Tritia obsoleta (Say, 1822) · unaccepted > superseded combination
marine, brackish, fresh, terrestrial
(of ) Say, T. (1822). An account of some of the marine shells of the United States. <em>Journal of the Academy of Natural Sciences, Philadelphia.</em> 2(1): 221-248; 2(2): 257-276, 302-325., available online at http://biodiversitylibrary.org/page/36831411
page(s): 232-234 [details]
page(s): 232-234 [details]
MolluscaBase eds. (2021). MolluscaBase. Ilyanassa obsoleta (Say, 1822). Accessed through: RAS (Eds.) (2021) Register of Antarctic Species at: http://ras.biodiversity.aq/aphia.php?p=taxdetails&id=467490 on 2025-09-12
RAS (Eds.) (2025). Register of Antarctic Species. Ilyanassa obsoleta (Say, 1822). Accessed at: https://ras.biodiversity.aq/aphia.php?p=taxdetails&id=467490 on 2025-09-12
Date
action
by
original description
(of ) Say, T. (1822). An account of some of the marine shells of the United States. <em>Journal of the Academy of Natural Sciences, Philadelphia.</em> 2(1): 221-248; 2(2): 257-276, 302-325., available online at http://biodiversitylibrary.org/page/36831411
page(s): 232-234 [details]
additional source Dall, W. H. (1907). Notes: <i>Ilyanassa obsoleta</i> in California. <em>The Nautilus.</em> 21(8): 91., available online at https://www.biodiversitylibrary.org/page/3666047 [details]
additional source Batchelder, C. H. (1915). Migration of <i>Ilyanassa obsoleta</i>, <i>Litorina litorea</i> and <i>Litorina rudis</i>. <em>The Nautilus.</em> 29(4): 43-46., available online at https://www.biodiversitylibrary.org/page/1815865
page(s): 43-45 [details]
additional source Dexter, R. W. (1961). Mass movement of a colony of the mud snail <i>Ilyanassa</i>. <em>The Nautilus.</em> 75(2): 85-86., available online at https://www.biodiversitylibrary.org/page/8283005 [details]
additional source Robertson, J. R. (1979). Evidence for tidally correlated feeding rhythms in the eastern mud snail, <i>Ilyanassa obsoleta</i>. <em>The Nautilus.</em> 93(1): 38-40, fig. 1., available online at https://www.biodiversitylibrary.org/page/8275086 [details]
additional source Nichols, J. A. & Robertson, J. R. (1979). Field evidence that the eastern mud snail, <i>Ilyanassa obsoleta</i>, influences nematode community structure. <em>The Nautilus.</em> 93(1): 44-46., available online at https://www.biodiversitylibrary.org/page/8275092 [details]
status source Yang, Y.; Abalde, S.; Afonso, C. L.; Tenorio, M. J.; Puillandre, N.; Templado, J.; Zardoya, R. (2021). Mitogenomic phylogeny of mud snails of the mostly Atlantic/Mediterranean genus <i>Tritia</i> (Gastropoda: Nassariidae). <em>Zoologica Scripta.</em> , available online at https://doi.org/10.1111/zsc.12489 [details]
page(s): 232-234 [details]
additional source Dall, W. H. (1907). Notes: <i>Ilyanassa obsoleta</i> in California. <em>The Nautilus.</em> 21(8): 91., available online at https://www.biodiversitylibrary.org/page/3666047 [details]
additional source Batchelder, C. H. (1915). Migration of <i>Ilyanassa obsoleta</i>, <i>Litorina litorea</i> and <i>Litorina rudis</i>. <em>The Nautilus.</em> 29(4): 43-46., available online at https://www.biodiversitylibrary.org/page/1815865
page(s): 43-45 [details]
additional source Dexter, R. W. (1961). Mass movement of a colony of the mud snail <i>Ilyanassa</i>. <em>The Nautilus.</em> 75(2): 85-86., available online at https://www.biodiversitylibrary.org/page/8283005 [details]
additional source Robertson, J. R. (1979). Evidence for tidally correlated feeding rhythms in the eastern mud snail, <i>Ilyanassa obsoleta</i>. <em>The Nautilus.</em> 93(1): 38-40, fig. 1., available online at https://www.biodiversitylibrary.org/page/8275086 [details]
additional source Nichols, J. A. & Robertson, J. R. (1979). Field evidence that the eastern mud snail, <i>Ilyanassa obsoleta</i>, influences nematode community structure. <em>The Nautilus.</em> 93(1): 44-46., available online at https://www.biodiversitylibrary.org/page/8275092 [details]
status source Yang, Y.; Abalde, S.; Afonso, C. L.; Tenorio, M. J.; Puillandre, N.; Templado, J.; Zardoya, R. (2021). Mitogenomic phylogeny of mud snails of the mostly Atlantic/Mediterranean genus <i>Tritia</i> (Gastropoda: Nassariidae). <em>Zoologica Scripta.</em> , available online at https://doi.org/10.1111/zsc.12489 [details]
Present Inaccurate Introduced: alien Containing type locality
To Barcode of Life (321 barcodes) (from synonym Tritia obsoleta (Say, 1822))
To Biodiversity Heritage Library (128 publications)
To Biodiversity Heritage Library (54 publications) (from synonym Nassarius obsoletus (Say, 1822))
To European Nucleotide Archive, ENA (Tritia obsoleta) (from synonym Tritia obsoleta (Say, 1822))
To GenBank (10231 nucleotides; 568 proteins) (from synonym Nassarius obsoletus (Say, 1822))
To GenBank (10231 nucleotides; 568 proteins) (from synonym Tritia obsoleta (Say, 1822))
To GenBank (10231 nucleotides; 568 proteins)
To Global Biotic Interactions (GloBI)
To Global Invasive Species Database (GISD)
To Malacopics (Ilyanassa obsoleta (Say, 1822) United States, Massachusetts, Barnstable Co., Cape Cod, Point Gammon, ex coll. J.G.B. Nieuwenhuis)
To NMNH Extant Collection (USNM 1437334)
To NMNH Extant Collection (USNM 1437335)
To USNM Invertebrate Zoology Mollusca Collection (from synonym Nassarius obsoletus (Say, 1822))
To USNM Invertebrate Zoology Mollusca Collection (from synonym Nassarius obsoletus (Say, 1822))
To USNM Invertebrate Zoology Mollusca Collection
To USNM Invertebrate Zoology Mollusca Collection
To Yale Peabody Museum of Natural History (YPM IZ 032357)
To ITIS
To Biodiversity Heritage Library (128 publications)
To Biodiversity Heritage Library (54 publications) (from synonym Nassarius obsoletus (Say, 1822))
To European Nucleotide Archive, ENA (Tritia obsoleta) (from synonym Tritia obsoleta (Say, 1822))
To GenBank (10231 nucleotides; 568 proteins) (from synonym Nassarius obsoletus (Say, 1822))
To GenBank (10231 nucleotides; 568 proteins) (from synonym Tritia obsoleta (Say, 1822))
To GenBank (10231 nucleotides; 568 proteins)
To Global Biotic Interactions (GloBI)
To Global Invasive Species Database (GISD)
To Malacopics (Ilyanassa obsoleta (Say, 1822) United States, Massachusetts, Barnstable Co., Cape Cod, Point Gammon, ex coll. J.G.B. Nieuwenhuis)
To NMNH Extant Collection (USNM 1437334)
To NMNH Extant Collection (USNM 1437335)
To USNM Invertebrate Zoology Mollusca Collection (from synonym Nassarius obsoletus (Say, 1822))
To USNM Invertebrate Zoology Mollusca Collection (from synonym Nassarius obsoletus (Say, 1822))
To USNM Invertebrate Zoology Mollusca Collection
To USNM Invertebrate Zoology Mollusca Collection
To Yale Peabody Museum of Natural History (YPM IZ 032357)
To ITIS
