Stylotheristus		Contents		Rev: 01/06/2024
		Classification		Biology and Ecology
		Morphology and Anatomy		Life Cycle
Return to Stylotheristus Menu				Ecosystem Functions and Services
		Distribution		Management
Return to Xyalidae Menu		Feeding		References
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Classification:

Chromadorea

  Chromadoria

   Monhysterida

Monhysterina

Sphaerolaimoidea

                 Xyalidae

       Stylotheristus Lorenzen, 1977

Type species of the genus: Stylotheristus mutilis (Lorenzen, 1973) Lorenzen, 1977

    Synonyms:

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Morphology and Anatomy:

• Body length approximately 2 mm.
• Cuticle striated.
• Anterior sensilla arranged in two circles with the number of setae in the second circke depending on the sex and life stage; six + four in juveniles and females and six + ten in males.
• Buccal cavity conical.
• Pharyngeal muscles well-deveoped around the buccal cavity.t. Three caudal glands opening via separate pores. Tail conico-cylindrical with three terminal setae

Ref:  Fonseca & Bezerra, 2014; Pinto and Neres, 2020

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Distribution:

The species Stylotheristus multipapillatus was described from sandy sediments adjacent to ashipreck on the shallow continetal shelf of Portugal,

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Feeding:

Free=living marine nematodes

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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:

Fonseca, G. & Bezerra, T.N. 2014. Order Monhysterida Filipjev, 1929. In: Schmidt-Rhaesa, A. (Eds.), Handbook of Zoology. Gastrotricha, Cycloneuralia, Gnathifera. Vol. 2. Nematoda. De Gruyter, Hamburg, pp.435-465

.Lorenzen, S. 1977. Revision der Xyalidae (freilebende Nematoden) auf der Grundlage einer kritischen Analyse von 56 Arten aus Nord- und Ostsee. Ver�ffentlichungen des Instituts f�r Meeresforschung in Bremerhaven, 16: 197-261

Pinto, T.K. and  Neres, P.F. 2020. Four new species of free-living nematodes from shallow continental shelf of Portugal. Zootaxa 4722 (1): 001-033.

Copyright 1999 by Howard Ferris.
Revised: January 06, 2024.