Phanodermopsis kohtsukai

Phanodermopsis kohtsukai	Contents	Rev 12/02/2024
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Phanodermopsis kohtsukai Shimada & Kakuf, 2019

Synonyms:

Body cylindrical, tapering toward both ends.
Cuticle smooth, 12-15um thick.
Large gland cells surrounding anterior half of intestine.
Head rounded, width 0.15 body diameters, slightly set off from cervical region.
Type II pharyngo-cephalic complex (cf. Platonova 1984; Zograf et al. 2015):
Cephalic cuticle 2-3 um thick.
Six inner labial sensilla papilliform, 6 outer labial setae (0.5 cephalic diameters) and four cephalic setae (0.4 cephalic diameters) in separate circles. Four sub-cephalic setae just posterior to cephalic setae.
Amphids pocket-like: aperture transversely elliptical, width, just posterior to cephalic setae (0.5-0.65 cephalic diameters from anterior body end).
Buccal cavity small cup-shaped, length and width 4-5 um, without teeth.
Excretory pore located 6% of pharynx length from anterior body end.
Nerve ring at 32%-34% of pharynx length.
Ventral gland single, situated at 90%-95% of pharynx length,
Cervical setae sparse, not arranged in rows.
Tail short (length 1.3 anal body diameters), conical in shape, bending ventrad, with spinneret at end. Caudal setae sparse.
Three caudal glands anterior to cloaca

Male:

Diorchic, testes small, opposed and outstretched, both located on left side of intestine. Anterior testis beginning at 55% of body length from anterior body end; posterior testis ending at 60%-65% of body length.
Vas deferens well-developed.
Spicules short (1.5-1.6 anal body diameters), proximally having distinct knob-like head, distally curved and not acute.
Gubernaculum not observed.
Solid precloacal supplement absent, but a longitudinal row of short (ca. 2 um) precloacal setae

Female:

Not found

Ref: Shimada and Kakuf, 201`9

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

Collected in dredge samples during Japanese Association for Marine Biology Survey in Sagami Bay, North Pacific Ocean.

Free-living microbial feeding marine nematodes.

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

Shimada, D., Kakuf, K. 2019. Two new and one known species of Phanodermatidae (Nematoda: Enoplida) from Sagami Bay, Japan. Zootaxa 4608:484-500.