{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,30]],"date-time":"2026-04-30T07:16:40Z","timestamp":1777533400370,"version":"3.51.4"},"reference-count":23,"publisher":"Walter de Gruyter GmbH","issue":"2","license":[{"start":{"date-parts":[[2019,5,4]],"date-time":"2019-05-04T00:00:00Z","timestamp":1556928000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/3.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,6,1]]},"abstract":"<jats:title>Summary<\/jats:title>\n                  <jats:p>\n                    A new nematode species,\n                    <jats:italic>Heliconema monopteri<\/jats:italic>\n                    n. sp. (Physalopteridae), is described from the stomach and intestine of the freshwater fish\n                    <jats:italic>Monopterus cuchia<\/jats:italic>\n                    (Hamilton) (Synbranchidae) in Bijnor district, Uttar Pradesh, India. It is mainly characterized by the lengths of spicules (468 \u2013 510 \u00b5m and 186 \u2013 225 \u00b5m), the postequatorial vulva without elevated lips, the presence of pseudolabial lateroterminal depressions and by the number and arrangement of caudal papillae. This is the first representative of the genus reported from a synbranchiform fish. Another new congeneric species,\n                    <jats:italic>Heliconema pisodonophidis<\/jats:italic>\n                    n. sp. is established based on a re-examination of nematodes previously reported as\n                    <jats:italic>H<\/jats:italic>\n                    .\n                    <jats:italic>longissimum<\/jats:italic>\n                    (Ortlepp, 1922) from\n                    <jats:italic>Pisodonophis boro<\/jats:italic>\n                    (Hamilton) (Ophichthidae) in Thailand; ovoviviparity in this species is a unique feature among all physalopterids.\n                    <jats:italic>Heliconema hamiltonii<\/jats:italic>\n                    Bilqees et Khanum, 1970 is designated as a\n                    <jats:italic>species dubia<\/jats:italic>\n                    and the nematodes previously reported as\n                    <jats:italic>H<\/jats:italic>\n                    .\n                    <jats:italic>longissimum<\/jats:italic>\n                    from\n                    <jats:italic>Mastacembelus armatus<\/jats:italic>\n                    (Lac\u00e9p\u00e8de) in India are considered to belong to\n                    <jats:italic>H<\/jats:italic>\n                    .\n                    <jats:italic>kherai<\/jats:italic>\n                    Gupta et Duggal, 1989. A key to species of\n                    <jats:italic>Heliconema<\/jats:italic>\n                    Travassos, 1919 is provided.\n                  <\/jats:p>","DOI":"10.2478\/helm-2019-0002","type":"journal-article","created":{"date-parts":[[2019,5,6]],"date-time":"2019-05-06T11:26:33Z","timestamp":1557141993000},"page":"124-131","source":"Crossref","is-referenced-by-count":3,"title":["<i>Heliconema monopteri<\/i>\n                    n. sp. (Nematoda: Physalopteridae) from\n                    <i>Monopterus cuchia<\/i>\n                    (Hamilton) (Osteichthyes: Synbranchidae) in India, with notes on the taxonomy of\n                    <i>Heliconema<\/i>\n                    spp."],"prefix":"10.2478","volume":"56","author":[{"given":"F.","family":"Moravec","sequence":"first","affiliation":[{"name":"Institute of Parasitology, Biology Centre, Czech Academy of Sciences (CAS) , Brani\u0161ovsk\u00e1 31, 370 05 \u010cesk\u00e9 Bud\u011bjovice , Czech Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A.","family":"Chaudhary","sequence":"additional","affiliation":[{"name":"Department of Zoology , Chaudhary Charan Singh University , Meerut (UP) - 250004 , India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"H. S.","family":"Singh","sequence":"additional","affiliation":[{"name":"Department of Zoology , Chaudhary Charan Singh University , Meerut (UP) - 250004 , India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"374","published-online":{"date-parts":[[2019,5,4]]},"reference":[{"key":"2026042808561324404_j_helm-2019-0002_ref_001_w2aab3b7ab1b6b1ab1ab1Aa","unstructured":"Akram M.C. (1996): Heliconema savala n. sp. (Nematoda: Physalopteridae) from marine fish Lepturacanthus savala (Cuvier) (Trichuridae) and Psettodes erumei (Schneider) new host (Pisces: Psettotidae) of physalopterid nematode, Bulbocephalus inglisi Rasheed, 1966 in Pakistan. Pakistan J. Mar. Sci., 5: 132 \u2013 143"},{"key":"2026042808561324404_j_helm-2019-0002_ref_002_w2aab3b7ab1b6b1ab1ab2Aa","unstructured":"Bilqees F.M., Khanum Z. (1970): Marine fish nematodes of West Pakistan II. A new species of the genus Heliconema from fishes of Pasni. Pakistan J. 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