Description of one new, and new data on two known, species of Enchodelus Thorne, 1939 (Dorylaimida: Nordiidae) from Iran

作者：Pedram Majid^*; Pourjam Ebrahim; Robbins Robert T; Ye Weimin; Pena Santiago Reyes

来源：Nematology, 2011, 13: 729-740.

DOI：10.1163/138855410X545786

• Enchodelus groenlandicus
• Enchodelus longispiculus
• Enchodelus sardashtensis sp n.
• molecular analysis
• morphology
• new record
• new species
• phylogeny
• taxonomy

This contribution provides a study of one new and two known species of Enchodelus. Enchodelus sardashiensis sp. n. is characterised by its 1.3-1.5 mu m long body, lip region 13-15 mu m broad and offset by marked depression, odontostyle 22-27 mu m or 1.5-1.8 lip region diam. long, neck 290-310 mu m long, pharyngeal expansion 100-110 mu m long or 35-38% of total neck length, a dorsal cellular mass (pseudocoelomocyte) present between cardia and proximal end of anterior ovary, uterus tripartite and 95-145 mu m long, V = 44-48, female tail rounded conoid (19-23 mu m, c = 61-76, c' = 0.7-0.8) and bearing saccate bodies, and male unknown. This species is close to E. altherri and E. arcticus. Enchodelus groenlandicus and E. longispiculu.s are recorded for the first time in Iran and in Asia, respectively and compared to other known populations of these species. A molecular characterisation of E. longispiculus is also performed based on ribosomal DNA near-full-length small subunit I8S gene, internal transcribed spacer and partial 5.8S gene. Phylogenetic analysis revealed E. sardahtensis sp. n. and E. longi.spiculus to be in a monophyletic clade with all other Enchodelus with rounded tail.

• 出版日期2011