WoRMS taxon details
Malacobdella grossa (Müller, 1776)
122641 (urn:lsid:marinespecies.org:taxname:122641)
accepted
Species
Hirudo anceps Dalyell, 1853 · unaccepted (synonym - the generic name was...)
synonym - the generic name was used by a number of the earlier authors for species of bdellonemerteans, which bear a superficial resemblance to leeches through their possession of a posterior ventral sucker
Hirudo grossa Müller, 1776 · unaccepted (synonym: the generic name was...)
synonym: the generic name was used by a number of the earlier authors for species of bdellonemerteans, which bear a superficial resemblance to leeches through their possession of a posterior ventral sucker
Malacobdella anceps · unaccepted (synonym)
Malacobdella cardii Beneden, 1954 · unaccepted (synonym)
Malacobdella mercenaria Verrill, 1873 · unaccepted (synonym)
Malacobdella mercenariae · unaccepted (synonym)
Malacobdella myae Diesing, 1850 · unaccepted (synonym)
Malacobdella obesa Verrill, 1873 · unaccepted (synonym)
Malacobdella valenciennaei · unaccepted (synonym)
Phylline grossa · unaccepted (synonym)
Xenistum valenciennaei Blanchard, 1845 · unaccepted > junior subjective synonym
marine
(of Hirudo grossa Müller, 1776) Müller, O.F. (1776). Zoologiae Danicae prodromus, seu Animalium Daniae et Norvegiae indigenarum: characteres, nomina, et synonyma imprimis popularium. [Prodrome of Danish Zoology, or the Native Animals of Denmark and Norway: the characters, names, and synonyms of the most popular ones.]. <em>Typis Hallagerii, Havni, Copenhagen.</em> 282 pp., available online at http://www.biodiversitylibrary.org/item/47550
page(s): 220; note: listing, with a four word diagnosis [details]
page(s): 220; note: listing, with a four word diagnosis [details]
Distribution whole Atlantic coast
Distribution whole Atlantic coast [details]
Norenburg, J.; Chernyshev, A.; Kajihara, H.; Maslakova, S. (2025). World Nemertea Database. Malacobdella grossa (Müller, 1776). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=122641 on 2025-05-20
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
Nomenclature
original description
(of Hirudo grossa Müller, 1776) Müller, O.F. (1776). Zoologiae Danicae prodromus, seu Animalium Daniae et Norvegiae indigenarum: characteres, nomina, et synonyma imprimis popularium. [Prodrome of Danish Zoology, or the Native Animals of Denmark and Norway: the characters, names, and synonyms of the most popular ones.]. <em>Typis Hallagerii, Havni, Copenhagen.</em> 282 pp., available online at http://www.biodiversitylibrary.org/item/47550
page(s): 220; note: listing, with a four word diagnosis [details]
page(s): 220; note: listing, with a four word diagnosis [details]
Taxonomy
redescription
Riepen, O. (1933). Anatomie und Histologie von Malacobdella grossa (Mull.). Zeitschrift für Wissenschaftliche Zoologie, 143: 323-424 [details] Available for editors 
[request]
[request]Ecology
ecology source
Gibson, R. (1967). Occurrence of the entocommensal rhynchocoelan, Malacobdella grossa, in the Oval Piddock, Zirfaea crispata, on the Yorkshire coast. Journal of the Marine Biological Association of the United Kingdom, 47: 301-317, available online at http://journals.cambridge.org/action/displayAbstractjsessionid=E007A90563E7DC3463B7678B5F23AFDC.journals?fromPage=online&aid=4424612 [details] Available for editors [request]
ecology source Gibson, R. (1968). Studies on the Biology of the Entocommensal Rhynchocoelan Malacobdella grossa, Lamellibranch Host, Protozoan Parasites. Journal of the Marine Biological Association of the United Kingdom, 48(3): 637-656, available online at http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=4293564&fileId=S0025315400019202 [details] Available for editors [request]
[request]ecology source Gibson, R. (1968). Studies on the Biology of the Entocommensal Rhynchocoelan Malacobdella grossa, Lamellibranch Host, Protozoan Parasites. Journal of the Marine Biological Association of the United Kingdom, 48(3): 637-656, available online at http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=4293564&fileId=S0025315400019202 [details] Available for editors
[request]Other
additional source
Hayward, P.J. & J.S. Ryland (Eds.). (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. <em>Clarendon Press: Oxford, UK.</em> 627 pp. (look up in IMIS) [details] Available for editors [request]
additional source Gibson, R. (2001). Nemertini (Nemertae), <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>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,</i> 50: pp. 152-156 (look up in IMIS) [details]
additional source Gibson, R. (2005). Nemertina DB. Liverpool John Moore University, UK. [details]
additional source Brunel, P., L. Bosse & G. Lamarche. (1998). Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. <em>Canadian Special Publication of Fisheries and Aquatic Sciences, 126.</em> 405 pp. (look up in IMIS) [details] Available for editors [request]
additional source Muller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. <em>Commission Régionale de Biologie Région Nord Pas-de-Calais: France.</em> 307 pp., available online at http://www.vliz.be/imisdocs/publications/145561.pdf [details]
additional source Norenburg, J. L. 2009. Nemertea of the Gulf of Mexico, Pp. 553–558 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas. [details]
additional source Magarlamov, T. Yu.; Chernyshev, A. V. (2010). Ultrastructural study of the proboscis of Malacobdella grossa (Nemertea: Hoplonemertea). Journal of Natural History, 44(37-40): 2349-2361, available online at https://doi.org/10.1080/00222933.2010.504894 [details] Available for editors [request]
biology source Hammarsten, O.D. (1918). Beitrag zur Embryonalentwicklung der Malacobdella grossa (Müll.). <em>PhD thesis, Stockholm.</em> [details]
[request]additional source Gibson, R. (2001). Nemertini (Nemertae), <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>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,</i> 50: pp. 152-156 (look up in IMIS) [details]
additional source Gibson, R. (2005). Nemertina DB. Liverpool John Moore University, UK. [details]
additional source Brunel, P., L. Bosse & G. Lamarche. (1998). Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. <em>Canadian Special Publication of Fisheries and Aquatic Sciences, 126.</em> 405 pp. (look up in IMIS) [details] Available for editors
[request]additional source Muller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. <em>Commission Régionale de Biologie Région Nord Pas-de-Calais: France.</em> 307 pp., available online at http://www.vliz.be/imisdocs/publications/145561.pdf [details]
additional source Norenburg, J. L. 2009. Nemertea of the Gulf of Mexico, Pp. 553–558 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas. [details]
additional source Magarlamov, T. Yu.; Chernyshev, A. V. (2010). Ultrastructural study of the proboscis of Malacobdella grossa (Nemertea: Hoplonemertea). Journal of Natural History, 44(37-40): 2349-2361, available online at https://doi.org/10.1080/00222933.2010.504894 [details] Available for editors
[request]biology source Hammarsten, O.D. (1918). Beitrag zur Embryonalentwicklung der Malacobdella grossa (Müll.). <em>PhD thesis, Stockholm.</em> [details]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
Unreviewed
Diet parasitic on host [details]Dimensions length up to 40 mm by 15 mm [details]
Distribution whole Atlantic coast [details]
Ecology in mantle cavity of bivalve molluscs [details]
Habitat endemic in the mantle cavity of pelecypod molluscs [details]
Importance parasitic on commercial shellfish [details]
Reproduction sexes are separate; fertilization is external for most species. Asexual reproduction also occurs by fragmentation [details]
remark species fragment easily when handled [details]
To Barcode of Life (22 barcodes)
To Biodiversity Heritage Library (1 publication) (from synonym Malacobdella valenciennaei)
To Biodiversity Heritage Library (129 publications)
To Biodiversity Heritage Library (16 publications) (from synonym Malacobdella mercenaria Verrill, 1873)
To Biodiversity Heritage Library (17 publications) (from synonym Malacobdella obesa Verrill, 1873)
To Biodiversity Heritage Library (2 publications) (from synonym Malacobdella anceps)
To Biodiversity Heritage Library (35 publications) (from synonym Hirudo grossa Müller, 1776)
To Biodiversity Heritage Library (4 publications) (from synonym Malacobdella cardii Beneden, 1954)
To Biodiversity Heritage Library (6 publications) (from synonym Hirudo anceps Dalyell, 1853)
To Biodiversity Heritage Library (7 publications) (from synonym Phylline grossa)
To European Nucleotide Archive, ENA (Malacobdella grossa)
To GenBank (38 nucleotides; 29 proteins)
To Global Biotic Interactions (GloBI)
To PESI
To USNM Invertebrate Zoology Nemertea Collection (1 record) (from synonym Malacobdella mercenaria Verrill, 1873)
To USNM Invertebrate Zoology Nemertea Collection (17 records)
To Yale Peabody Museum of Natural History (YPM IZ 020292)
To ITIS
To Biodiversity Heritage Library (1 publication) (from synonym Malacobdella valenciennaei)
To Biodiversity Heritage Library (129 publications)
To Biodiversity Heritage Library (16 publications) (from synonym Malacobdella mercenaria Verrill, 1873)
To Biodiversity Heritage Library (17 publications) (from synonym Malacobdella obesa Verrill, 1873)
To Biodiversity Heritage Library (2 publications) (from synonym Malacobdella anceps)
To Biodiversity Heritage Library (35 publications) (from synonym Hirudo grossa Müller, 1776)
To Biodiversity Heritage Library (4 publications) (from synonym Malacobdella cardii Beneden, 1954)
To Biodiversity Heritage Library (6 publications) (from synonym Hirudo anceps Dalyell, 1853)
To Biodiversity Heritage Library (7 publications) (from synonym Phylline grossa)
To European Nucleotide Archive, ENA (Malacobdella grossa)
To GenBank (38 nucleotides; 29 proteins)
To Global Biotic Interactions (GloBI)
To PESI
To USNM Invertebrate Zoology Nemertea Collection (1 record) (from synonym Malacobdella mercenaria Verrill, 1873)
To USNM Invertebrate Zoology Nemertea Collection (17 records)
To Yale Peabody Museum of Natural History (YPM IZ 020292)
To ITIS
