Rev 03/19/2022

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  •      Leptepsilonema Clasing, 1983
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    Morphology and Anatomy:

    The genus Leptepsilonema was erected by Clasing (1983), and is characterised by having: eight subcephalic setae; body lacking dorsal thorns posterior to the cephalic capsule; five rows of ambulatory setae positioned anterior to the vulva; and six of the eight subcephalic setae anterior to the amphidial fovea (Clasing, 1983; Hendricks and Gibbons, 2010).).


    Epsilonematidae are characterized by having an ε-shaped body (hence the name) and setae used in looper locomotion on the ventral surface of the body.  The condition of separate outlets for the three caudal glands is common among the genera of this family.  


    Body size range for the species of this genus in the database - Click:
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    Frequently found with supralittoral or intertidal matine fauna, but also in the deep sea.  Coral fragments are an ideal substrate.


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    Biology and Ecology:

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    Life Cycle:

    For Ecophysiological Parameters for this genus, click 
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    Ecosystem Functions and Services:


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    Clasing, E. 1983. Leptepsilonema gen. n. (Nematoda, Epsilonematidae) from Chile and the Caribbean Sea. Zoologica Scripta, 12, 13�17.

     Hendricks, M.G.J., Gibbons, M.J. 2010. Two new nematode species from Saldanha Bay, South Africa: Perepsilonema benguelae sp. nov. and Leptepsilonema saldanhae sp. nov. (Desmodorida, Epsilonematidae). Zootaxa 2054:20-30

    Raes, M., W. Decraemer and A. Vanreusel. 2006. Postembryonic morphology in Epsilonematidae, with a discussion on the variability of caudal gland outlets.  J. Nematology 38:97-118.

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    Copyright © 1999 by Howard Ferris.
    Revised: March 19, 2022.