{"refrec":{"BRefID":238222,"RR":"<b>Bezerra, T.N.; Pape, E.; Hauquier, F.; Vanreusel, A.; Ingels, J.</b> (2013). New genus and two new species of the family Ethmolaimidae (Nematoda: Chromadorida), found in two different cold-seep environments. <i>Zootaxa 3692(1)</i>: 7-27. <a href=\"https://dx.doi.org/10.11646/zootaxa.3692.1.4\" target=\"_blank\">https://dx.doi.org/10.11646/zootaxa.3692.1.4</a>","BEntID":229909,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Zootaxa 3692(1)</i>: 7-27. <a href=\"https://dx.doi.org/10.11646/zootaxa.3692.1.4\" target=\"_blank\">https://dx.doi.org/10.11646/zootaxa.3692.1.4</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Bezerra, T.N.; Pape, E.; Hauquier, F.; Vanreusel, A.; Ingels, J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Bezerra, T.N. <i>et al.</i>","Englishabstract":"This study describes a new genus <i>Dystomanema</i> <b>gen. nov.</b> with two new species, <i>D. cadizensis</i><b> sp. nov.</b> and <i>D. brandtae</i> <b>sp. nov.</b> within the family Ethmolaimidae, subfamily Neotonchinae, based on specimens from two low-activity cold-seep environments at distant geographical locations. The new genus was first identified in samples from the Darwin mud vol-cano (1100 m depth) in the Gulf of Cádiz and later on also found in samples from a low-activity seep in the Larsen B embayment (820m depth) off the eastern Antarctic Peninsula. Until now, the family Ethmolaimidae contained nine genera: <i>Ethmolaimus</i> and <i>Paraethmolaimus</i> in the subfamily Ethmolaiminae, and <i>Comesa, Filitonchoides, Filitonchus, Gomphionchus, Gomphionema, Nannolaimus</i>, and <i>Neothonchus</i> in the subfamily Neotonchinae. The most important family characteristics are: an annulated cuticle bearing transverse rows of dots, cephalic sensilla arrangement of 6+6+4, a spiral amphid, an oesophagus with muscular posterior bulb, paired gonads and males with cup-shaped precloacal supplements. The new genus resembles <i>Comesa</i> and <i>Neotonchus</i>, but is typified by a ventrally displaced oral opening with three very small teeth that are easily overlooked. <i>D. cadizensis</i><b> gen. nov. sp. nov.</b> is characterized by the 1401–2123 µm long body; cuticle transversally striated with fine punctation; head conical; low lips; amphid spiralled 3 turns, oral opening ventrally displaced, male with outstretched testes; spicules of equal size; gubernaculum plate-like and ten to twelve con-spicuous cup-shaped precloacal supplements with external longitudinal articulated flange. <i>D. brandtae</i><b> gen. nov. sp. nov.</b> can be distinguished by the 2438–3280 µm long body; cuticle transversally striated with fine punctuation; head conical; low lips; amphid spiraled 3+ turns; oral opening ventrally displaced; male with anterior testes outstretched and posterior one smaller and reflexed; spicules of equal size; gubernaculum plate-like and twenty conspicuous cup-shaped precloacal supplements with external longitudinal articulated flange. Notes on the ecology and habitat of the new genus are provided in light of its discovery in cold-seep environments.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"New genus and two new species of the family Ethmolaimidae (Nematoda: Chromadorida), found in two different cold-seep environments","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Antarctic; Larsen; Southern Ocean; Gulf of Cadiz; Northeast Atlantic;Dystomanema gen. nov.; Dystomanema cadizensis gen. nov sp nov.;Dystomanema brandtae gen. nov sp nov.; cold seep","OtherDescriptors":null,"Notes":null,"AnaPub":2013,"MonPub":null,"DateUpdate":"2018-08-17","DateCreate":"2014-05-18","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000322226500002","VABBcode":null,"OpenAcc":0,"DOI":"10.11646/zootaxa.3692.1.4"},"refs":null,"anarec":{"AnaID":238222,"PubliDate":2013,"Pagination":"7-27","XtraPublOfAnaID":null,"ISBN":null,"Volume":"3692","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":57347,"SerRR":"Zootaxa. 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