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<p>A nematode diversity survey in Mizoram, India led to the recovery of a known species of the order Mononchida (Animalia: Nematoda). Upon investigation, the species was identified as <i>Iotonchulus longicaudatus</i> (Mononchida: Iotonchidae) based on morphology and morphometrics. <i>Iotonchulus longicaudatus</i> can be characterized by its robust body, tubular buccal cavity with dorsal tooth positioned at midway of buccal length, non-denticulate subventral buccal wall, tuberculated pharyngo-intestinal junction, mono-prodelphic female genital system, filiform tail with well-developed caudal glands and spinneret. Molecular data including the 18S and D2-D3 expansion segment of 28S rDNA sequences were generated for the first time for this species and were further utilized to determine its phylogenetic relationship with other mononchs.</p>

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Molecular characterisation of Iotonchulus longicaudatus (Nematoda: Mononchida) from Mizoram, India

  • 期刊论文

  • 发表日期：

    2025年8月2日

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  • Samandram Sushilkumar Singh,
  • Phougeishangbam Rolish Singh,
  • Sorokhaibam Mexico Singh,
  • Naorem Mohilal Meitei

摘要

A nematode diversity survey in Mizoram, India led to the recovery of a known species of the order Mononchida (Animalia: Nematoda). Upon investigation, the species was identified as Iotonchulus longicaudatus (Mononchida: Iotonchidae) based on morphology and morphometrics. Iotonchulus longicaudatus can be characterized by its robust body, tubular buccal cavity with dorsal tooth positioned at midway of buccal length, non-denticulate subventral buccal wall, tuberculated pharyngo-intestinal junction, mono-prodelphic female genital system, filiform tail with well-developed caudal glands and spinneret. Molecular data including the 18S and D2-D3 expansion segment of 28S rDNA sequences were generated for the first time for this species and were further utilized to determine its phylogenetic relationship with other mononchs.