Practinocephalus

Practinocephalus	Contents	Rev 05/22/2023
	Classification	Biology and Ecology
	Morphology and Anatomy	Life Cycle
Return to Practinocephalus Menu		Ecosystem Functions and Services
	Distribution	Management
Return to Actinolaimidae Menu	Feeding	References
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Practinocephalus Andrassy, 1974

Type species of the genus: Practinocephalus bizarrus (Thorne, 1967) Andrassy, 1974

Morphology and Anatomy:

Body lengtth 1.5-2.8 mm
Cuticle with longitudinal ridges
Lip region high and unusually wide
Vestibular walls without denticles

Female:

Didelphic-amphidelphic
Vulva longitdinal; inner lips only slightly sclerotized
Tail elongate to filiform

Males:

Ventromedian supplemernts in two fascicles
Tail convex-conoid with filiform appendix; shorter than female tail

Ref: Andrassy, 2009

Body size range for the species of this genus in the database - Click:

Distribution:

Species reported from Central and South America.

Feeding:

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

Life Cycle:

For Ecophysiological Parameters for this genus, click

Ecosystem Functions and Services:

References:

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

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