Steineria		Contents		Rev: 08/04/2025
		Classification		Biology and Ecology
		Morphology and Anatomy		Life Cycle
Return to Steineria Menu				Ecosystem Functions and Services
		Distribution		Management
Return to Xyalidae Menu		Feeding		References
		Go to Nemaplex Main Menu		Go to Dictionary of Terminology

Classification:

Chromadorea

  Chromadoria

   Monhysterida

Monhysterina

Sphaerolaimoidea

                 Xyalidae

       Steineria Micoletzky, 1922

Type species of the genus: Steineria polychaeta (Steiner, 1915) Micoletzky, 1922

    Synonyms:

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Morphology and Anatomy:

With general characteristics of family Xyalidae, and: distinguishing features of the genus are:

• cuticle striated
• groups of three subcephalic setae at almost same level as cephalic setae;
• groups of two long cervical setae situated between subcephalic setae and amphidial fovea;
• somatic setae scattered along body
• amphidial fovea round,
• tail conico-cylindrical with three long terminal setae.

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Distribution:

Free-living marine nematodes. Species described from various locations, including m,uddy sediment samples from the East China Sea at 70 m depth.

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Feeding:

Food Sources and Feeding strategies for the genus Steineria

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Biology and Ecology:

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Life Cycle:

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Ecosystem Functions and Services:

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Management:

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References:

Huang, Y., Guo, Y. 2022. Order Monhysterida Filipjev, 1929. In: Free-living Marine Nematodes from the East China Sea. Springer, Singapore. https://doi.org/10.1007/978-981-16-3836-7_{_}9

Huang, Y., Wu, Q. 2011. Two new free-living marine nematode species of Xyalidae (Monhysterida) from the Yellow Sea, China. J. Natural History 45:567-577.

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Copyright © 1999 by Howard Ferris.
Revised: August 04, 2025.