Verrill, A. E. (1880). Notice of recent addition to the marine Invertebrata of the northeastern coast of America, with descriptions of new genera and species and critical remarks on others. Part II - Mollusca, with notes on Annelida, Echinodermata, etc, collected by the United States Fish Commission. <em>Proceedings of the United States National Museum.</em> 3: 356-409., available online athttp://biodiversitylibrary.org/page/14917456 page(s): 387-388 [details]
Distribution Range: 41.5°N to 23°S; 80.5°W to 44°W. Distribution: USA: Massachusetts, Rhode Island, Connecticut, New Jersey, Florida;...
Distribution Range: 41.5°N to 23°S; 80.5°W to 44°W. Distribution: USA: Massachusetts, Rhode Island, Connecticut, New Jersey, Florida; Florida: East Florida [details]
MolluscaBase eds. (2025). MolluscaBase. Polycerella emertoni A. E. Verrill, 1880. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=140839 on 2025-07-15
original descriptionVerrill, A. E. (1880). Notice of recent addition to the marine Invertebrata of the northeastern coast of America, with descriptions of new genera and species and critical remarks on others. Part II - Mollusca, with notes on Annelida, Echinodermata, etc, collected by the United States Fish Commission. <em>Proceedings of the United States National Museum.</em> 3: 356-409., available online athttp://biodiversitylibrary.org/page/14917456 page(s): 387-388 [details]
original description(ofPolycerella davenportii Balch, 1899)Balch, F. N. (1899). List of marine Mollusca of Coldspring Harbor, Long Island, with descriptions of one new genus and two new species of nudibranchs. <em>Proceedings of the Boston Society of Natural History.</em> 29(7):133-162, pl. 1., available online athttps://www.biodiversitylibrary.org/page/56803340 page(s): 150 [details]
original description(ofPolycerella recondita Schmekel, 1965)Schmekel L. (1965). Die Gattung <i>Polycerella</i> Verrill im Mittelmeer. <i>Pubblicazioni della Stazione Zoologica di Napoli 34</i>: 452-461[details]
basis of recordGofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca. in: Costello, M.J. et al. (eds), European Register of Marine Species: a check-list of the marine species in Europe and a bibliography of guides to their identification. <em>Patrimoines Naturels.</em> 50: 180-213., available online athttp://www.vliz.be/imisdocs/publications/ocrd/254404.pdf[details]
Other
context source (Introduced species)Katsanevakis, S.; Bogucarskis, K.; Gatto, F.; Vandekerkhove, J.; Deriu, I.; Cardoso A.S. (2012). Building the European Alien Species Information Network (EASIN): a novel approach for the exploration of distributed alien species data. <em>BioInvasions Records.</em> 1: 235-245., available online athttp://easin.jrc.ec.europa.eu[details] Available for editors [request]
additional sourceRosenberg, G. 2004. Malacolog Version 3.3.2: Western Atlantic gastropod database. The Academy of Natural Sciences, Philadelphia, PA., available online athttp://www.malacolog.org[details]
additional sourceStreftaris, N., A. Zenetos & E. Papathanassiou. (2005). Globalisation in marine ecosystems: the story of non-indigenous marine species across European seas. <em>Oceanogry and Marine Biology: an Annual Review.</em> 43: 419-453. (look up in IMIS) [details] Available for editors [request]
additional sourceAbbott, R. T. (1974). <i>American seashells. The marine Mollusca of the Atlantic and Pacific coast of North America</i>. ed. 2. Van Nostrand, New York. 663 pp., 24 pls. [October 1974]. (look up in IMIS) [details]
additional sourceRosenberg, G.; Moretzsohn, F.; García, E. F. (2009). Gastropoda (Mollusca) of the Gulf of Mexico, Pp. 579–699 <i>in:</i> Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Texas A&M Press, College Station, Texas.[details] Available for editors [request]
additional sourceOcchipinti-Ambrogi, A., A. Marchini, G. Cantone, A. Castelli, C. Chimenz, M. Cormaci, C. Froglia, G. Furnari, M.C. Gambi, G. Giaccone, A. Giangrande, C. Gravil, F. Mastrototaro, C. Mazziotti, L. Orsi-Relini & S. Piraino. (2010). Alien species along the Italian coasts: an overview. <em>Biological Invasions.</em> 13(1): 215-237., available online athttps://doi.org/10.1007/s10530-010-9803-y[details] Available for editors [request]
additional sourceZenetos, A., S. Gofas, M. Verlaque, M. Cinar, J. Garcia Raso, C. Bianchi, C. Morri, E. Azzurro, M. Bilecenoglu, C. Froglia, I. Siokou, D. Violanti, A. Sfriso, G. San Martin, A. Giangrande, T. Katagan, E. Ballesteros, A. Ramos-Espla, F. Mastrototaro, O. Ocana, A. Zingone, M,. Gambi & N. Streftaris. (2010). Alien species in the Mediterranean Sea by 2010. A contribution to the application of European Union's Marine Strategy Framework Directive (MSFD). Part I. Spatial distribution. <em>Mediterranean Marine Science.</em> 11(2): 381-493., available online athttps://doi.org/10.12681/mms.87[details]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
Introduced species vector dispersal in Maltese part of the Mediterranean Sea - Eastern Basin (Marine Region) : Unknown [details] Introduced species vector dispersal in Tunisian part of the Mediterranean Sea - Eastern Basin (Marine Region) : Ships: accidental as attached or free-living fouling organisms Invaded from Western Atlantic [details] Introduced species vector dispersal in Italian part of the Tyrrhenian Sea (Marine Region) : Shipping [details] Introduced species vector dispersal Greek part of the Adriatic Sea (Marine Region) Ships: accidental with ballast water, sea water systems, live wells or other deck basins [details]
Unreviewed
Distribution Range: 41.5°N to 23°S; 80.5°W to 44°W. Distribution: USA: Massachusetts, Rhode Island, Connecticut, New Jersey, Florida; Florida: East Florida [details]
Polycerella emertoni Verill, 1881 Specimens from La Goulette, Tunisia (soft bottoms 10-15 m, 19.01.2010), approximate size of extended animals 3 mm. D: egg mass, approximate size 2.5 mm.
Unreviewed
To Yale Peabody Museum of Natural History (YPM IZ 010618.GP)
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