{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,24]],"date-time":"2025-09-24T10:24:35Z","timestamp":1758709475345,"version":"3.40.5"},"reference-count":31,"publisher":"Cambridge University Press (CUP)","license":[{"start":{"date-parts":[[2023,1,31]],"date-time":"2023-01-31T00:00:00Z","timestamp":1675123200000},"content-version":"unspecified","delay-in-days":30,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Helminthol."],"published-print":{"date-parts":[[2023]]},"abstract":"<jats:title>Abstract<\/jats:title>\n\t  <jats:p>A new species of the genus <jats:italic>Metaxonchium<\/jats:italic> is described from a natural habitat in Iran. <jats:italic>Metaxonchium magnum<\/jats:italic> sp. n. is characterized by its 3.62\u20134.65 mm long body, lip region cap-like and offset by constriction and 13\u201316 \u03bcm wide, odontostyle fusiform and 14\u201317 \u03bcm long, neck 1016\u20131359 \u03bcm long, both parts of the pharynx separated by a short isthmus-like narrowing, pharyngeal expansion occupying 74.2 (73\u201377)% of total neck length in females and 70.4 (66\u201372)% in males, female genital system mono-opistho-ovarian, didelphic, anterior genital branch a large uterine sac with a small terminal mass occupying 7\u201314% of body length, posterior uterus long and tripartite with a Z-like differentiation, <jats:italic>V<\/jats:italic> = 50\u201352, caudal region short and rounded (24\u201341 \u03bcm, <jats:italic>c<\/jats:italic> = 99\u2013161, <jats:italic>c\u2032<\/jats:italic> = 0.5\u20130.7), spicules 90\u2013105 \u03bcm long and 10\u201313 spaced ventromedian supplements with hiatus. Analysis of D2\u2013D3 28S rDNA sequences of the new species suggests that <jats:italic>Metaxonchium<\/jats:italic> might not be a monophyletic taxon, a matter that should be confirmed after future research.<\/jats:p>","DOI":"10.1017\/s0022149x22000943","type":"journal-article","created":{"date-parts":[[2023,1,31]],"date-time":"2023-01-31T08:52:18Z","timestamp":1675155138000},"source":"Crossref","is-referenced-by-count":1,"title":["Morphological and molecular characterization of <i>Metaxonchium magnum<\/i> sp. n. from Iran (Nematoda, Dorylaimida, Belondiridae), with new insights into the phylogeny of the genus"],"prefix":"10.1017","volume":"97","author":[{"given":"M.","family":"Asgari","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J.","family":"Abolafia","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A.","family":"Eskandari","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"F.","family":"Sarafraz-Nikoo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1125-5490","authenticated-orcid":false,"given":"R.","family":"Pe\u00f1a-Santiago","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[2023,1,31]]},"reference":[{"key":"S0022149X22000943_ref12","doi-asserted-by":"publisher","DOI":"10.1093\/molbev\/msw054"},{"key":"S0022149X22000943_ref8","first-page":"351","article-title":"Redescription ou modification de quelques techniques utilis\u00e9es dans l\u2019\u00e9tude des n\u00e9matodes phytoparasitaires [Redescription or modification of some techniques used in the study of plant parasitic nematodes]","volume":"34","author":"De Grisse","year":"1969","journal-title":"Mededelingen Rijksfaculteit Landbouwwetenschappen Gent"},{"key":"S0022149X22000943_ref1","doi-asserted-by":"publisher","DOI":"10.1002\/jemt.22538"},{"key":"S0022149X22000943_ref15","unstructured":"Nunn, GB (1992) Nematode molecular evolution: an investigation of evolutionary patterns among nematodes based upon DNA sequences. 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