Bathyerystomina valeriae

Bathyeurystomina valeriae	Contents	Rev: 12/12/2024
	Classification	Hosts
	Morphology and Anatomy	Life Cycle
Return to Bathyeurystomina Menu	Economic Importance	Damage
	Distribution	Management
Return to Enchelidiidae Menu	Feeding	References
	Go to Nemaplex Main Menu	Go To Dictionary of Terminology

Classification:

Enoplida
Oncholaimoidea
Enchelidiidae

Bathyeurystomina valeriae Lambshead & Platt, 1979

Type species of the genus

Synonyms:

Back to Top

Morphology and Anatomy:

Relatively large, slender and anteriorly attenuated.
Ocelli absent.
Cuticle smooth.
Six labial setae. Six longer and four shorter cephalic setae in one circle. Somatic setae short.
Stomatal opening surrounded by complex flaplike lips.
Buccal cavity large, heavily cuticularized and complex; buccal denticles not organized into definite rows. Large right broad-based hollow subventral tooth only.
Amphids faint, crescent shape, at level of base of the buccal cavity.
Esophagus diameter increasing posteriorly; no esophageal bulbs
Anterior 25% of tail conical, remainder flagellate.
Caudal glands and spinneret absent.

Ref: Lambshead and Platt, 1997

	Females: Didelphic-amphidelphic Ovaries opposed, reflexed
Bathyeurystomina valeriae a: male head; b: female head; c: spicule and gubernaculum; d: anterior precloacal supplement; e: posterior precloacal supplement; f : triangular precloacal body; g: male tail. Scale bars:50 mu Drawings from Lambshead and Platt, 1979
Males: Diorchic, testes opposed, outstretched Spicules paired, equal, arcuate, 2 x abd. long. Gubernaculum strongly cuticularized, complex with dorso-caudally directed apophysis. Two tubular cuticularised precloacal supplements surmounted by a distinct cap. A small accessory triangular (lateral view) refractive structure located between the cloaca and the posterior supplement. Reported median body size for this species (Length mm; width micrometers; weight micrograms) - Click:

Back to Top

Distribution:

Collected at a depth of 2875 m with a box-core sampler in the Rockall Trough, a deep-water bathymetric feature to the northwest of Scotland and Ireland, running roughly from southwest to northeast.

Back to Top

Economic Importance:

Back to Top

Feeding:

Free-living marine nematodes, probably omnivores.

Back to Top

Hosts:

Back to Top

Life Cycle:

Ecophysiological Parameters:

For Ecophysiological Parameters for this species, click	If species level data are not available, click for genus level parameters

Back to Top

Damage:

Back to Top

Management:

Back to Top

References:

Lambshead, P.J.D. and Platt, H.M. 1979. Bathyeurystomina, a new genus of free-living marine nematodes (Enchelidiidae) from the Rockall Trough. Cahiers de Biologie Marine 29:371-380.

Bathyeurystomina valeriae

Copyright © 1999 by Howard Ferris. Revised: December 12, 2024.

Copyright © 1999 by Howard Ferris.
Revised: December 12, 2024.