Enoplians are characterized by amphids shaped like ovals, stirrups, or pouches. Their bodies are smooth, without rings or lines. The esophagus is cylindrical and glandular.[1]
Taxonomy
Lorenzen described two orders, Enoplida and Trefusiida, in the 1980s based on morphology. With the advent of phylogenetic analysis, a reorganisation has been necessary, moving the Triplonchida here to create three orders and expanding it.[1][2][3]
The orders are distinguished mainly by habitat type.[4][3]
Enoplia is regarded as the earliest nematode branch, according to recent phylogenetic analysis.[5] Enoplia is mentioned as a sister clade to Dorylaima and Chromadoria.[5][6]
References
^ abSubclass Enoplia.Archived 2013-10-10 at the Wayback Machine Nemaplex: Nematode-Plant Expert Information System. University of California, Davis. Version July 26, 2012.
^Phylum Nematoda. Nematode Classification. Department of Nematology. University of California, Riverside.
Blaxter, Mark L.; De Ley, Paul; Garey, James R.; Liu, Leo X.; Scheldeman, Patsy; Vierstraete, Andy; Vanfleteren, Jacques R.; Mackey, Laura Y.; Dorris, Mark; Frisse, Linda M.; Vida, J. T.; Thomas, W. Kelley (5 March 1998). "A molecular evolutionary framework for the phylum Nematoda". Nature. 392 (6671): 71–75. Bibcode:1998Natur.392...71B. doi:10.1038/32160. PMID9510248. S2CID4301939.
De Ley, P & Blaxter, M 2004, 'A new system for Nematoda: combining morphological characters with molecular trees, and translating clades into ranks and taxa'. in R Cook & DJ Hunt (eds), Nematology Monographs and Perspectives. vol. 2, E.J. Brill, Leiden, pp. 633–653.
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