Rev 05/23/2023

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Morphology and Anatomy Life Cycle
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Parastomachoglossa Coomans & Loof, 1986

Type species of the genus: Parastomachoglossa costata (Schneider, 1935) Coomans & Loof, 1986

Note: Andrassy (2009) considered Parastomachoglossa quite similar to Brasilaimus except that the odontostyle is more robust and the esophagus base does not have a tongue-like process.

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Morphology and Anatomy:

Parastomachoglossa japonica Tsalolikhin, 1999
1. head, ventral view; 2. head, lateral view; 3. odontostyle; 4. esophagus; 5. juvenile anterior with replacement ofontostyle.
From Tsalolikhin, 1999



Ref: Andrassy, 2009

Body size range for the species of this genus in the database - Click:
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Three species described from Africa, one (P. japonica) from a freshwater lake in Japan.

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 Categorized by Yeates et al (1993) as omnivore and predator.    

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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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Andrassy, I. 2009. Free-living Nematodes of Hungary III.  Hungarian Natural History Museum, Budapest. 608p.

Coomans, A. and Loof, P.A.A. 1986. Redescription of Actinolaimus costatus Schneider, 1935 (Nematoda : Actinolaimidae), with observations on its pharyngosomatic muscles and discussion of its taxonornic position . Rev. Nematol. 9:221-231.

Tsalolikhin, S.J. 1999. Parastomachoglossa japonica sp. n. from Biwa Lake, Japan (Nematoda, Dorylaimida: Actinolaimidae). Zoosyst Rossica 8:7-10

Yeates, G.W., T. Bongers, R. G. M. De Goede, D. W. Freckman, and S. S. Georgieva. 1993. Feeding habits in soil nematode families and genera—An outline for soil ecologists. Journal of Nematology 25:315-331


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Copyright © 1999 by Howard Ferris.
Revised: May 23, 2023.