Minolaimus

Minolaimus	Contents	Rev: 08/24/2026
	Classification	Biology and Ecology
	Morphology and Anatomy	Life Cycle
Return to Minolaimus Menu		Ecosystem Functions and Services
	Distribution	Management
Return to Comesomatidae Menu	Feeding	References
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Classification:

Chromadorea
Chromadoria
Chromadorida: Comesomatoidea
Comesomatidae: Sabatieriinae

Minolaimus Vitello, 1970

Type species of the genus: Minolaimus lineatus Vitello, 1970

Synonyms:

Morphology and Anatomy:

Genus characterized by:

Nematodes of the subfamily Sabatieriinae generally have a weakly sclerotized buccal cavity with the posterior section as a collapsed tube, spicules enlarged proximally, gubernacular apophyses paired or single.
Anterior and posterior cephalic sensilla closely spaced, posterior setae usually longer than anterior.
Buccal cavity small, three small teeth may appear as weak cuticularization at base of anterior buccal cavity.
Tail elongate, posterior section filiform.

The genus Minolaimus is characterizesd by:

cuticle with transverse rows of dots and lateral differentiation with longitudinal rows of larger dots;
outer labial and cephalic sensilla setiform;
multispiral amphid with at least four turns;
buccal cavity small without tooth;
tail conico-cylindrical, usually with elongated posterior cylindrical portion

Females:

Didelphic ampidelphic; overies reflexed
Vulva anterior to mid-body

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

Minolaimus multisupplementatus Male: a. anterior, showing amphid and lateral differentiation; b . pharyngeal region; c . lateral posterior end; d . lateral cloacal region, showing spicule, gubernaculum, and precloacal supplements.
Drawings from Sun et al., 2021

Males:

Diorchic, testes outstretched
precloacal supplements papilliform or cup-shaped;
spicules arcuate with central lamella,
gubernaculum arcuate and parallel to spicule

Ref:: Lu et al., 2022; Sun et al., 2021; Huang and Guo, 2022

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Distribution:

Marine intertidal and sub-littoral sediments

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Feeding:

Food Sources and Feeding strategies for the genus Minolaimus

Epistrate microbial feeders

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Biology and Ecology:

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Life Cycle:

For Ecophysiological Parameters for this genus, click

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Ecosystem Functions and Services:

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Management:

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References:

Huang, Y. and Guo, Y. 2022. Free-living Marine Nematodes from the East China Sea. https://doi.org/10.1007/978-981-16-3836-7_5

Lu, Y., Sui, X., Huang, Y. 2022.Three new species of free-living marine nematodes from the central basin of the South China Sea. Journal of Natural History 56: 1091-1107.

Sun, J., Huang, M., Huang, Y. 2021. Four new species of free-living marine nematode from the sea areas of China. Journal of Oceanology and Limnology 39:1547-1558.

Vitiello F. 1970. Nematodes libres marins des vases profondes du Golfe du Lion. II. Chromadorida. Tï¿½thys , 2:449-500

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Revised by Howard Ferris.
Revised: August 24, 2026.