Odontophora sinapophysis

Odontophora sinapophysis	Contents	Rev: 01/06/2024
	Classification	Biology and Ecology
	Morphology and Anatomy	Life Cycle
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    Synonyms:

Main characteristics:

Body cylindrical almost 5 mm.; Cuticle finely striated,
Anterior region slightly attenuated, head diam 20-30% less than body diam at pharynx
Cephalic setae setiform; single mediolateral subcephalic seta immediately posterior to each amphidial fovea; other subcephalic setae at about middle region of the funnel-shaped portion of the buccal cavity;
Somatic setae in 4 rows in pharynx region; some caudal setae present.
.Amphidial fovea loop- shaped, rounded, very close to the anterior end.
Buccal cavity in two portions: anterior portion with six strongly cuticularized and eversible odontia, posterior portion funnel shaped with cuticularized walls,
Cylindrical pharynx 3â€“4% of the total body length, posterior end slightly enlarged. Cardia completely inserted into intestine.
Ventral gland posterior to the pharynx end. Never ring 83-128 um from anterior end.
Tail 5-6 x cbd in male and 3.6 times abd in female; female with large seminal receptacle

Female:

Didelphic, amphidelphic; anterior ovary left of intestine and posterior right of intestine.
A mass of sperm attached to the vulva in a mucosal clump.
Vulva llightly posterior to mid-body
Large seminal receptacle.
Three caudal glands and triangular spinneret.

Males:

Diorchic, testes left of intestine, one branch extended and one reflexed.
Spicules strongly bent in their proximal third, 1.2-1.34x cbd, cephalate proximally and distal portion rounded.
Gubernaculum without apophyses.
No precloacal supplements
Three caudal glands and triangular spinneret

Specific name recognizes that the gubernaculum lacks apophysis, which is considered unique in the genus.

Ref: Pinto and Neres, 2020

Reported median body size for this species (Length mm; width micrometers; weight micrograms) - Click:

Described from sandy sediments adjacent to ashipreck on the shallow continetal shelf of Portugal

Free-living marine nematodes

Ecophysiological Parameters:

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

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.