Family Achromadoridae

                                 Revised 06/08/26

Classification:

Nematoda

Chromadorea

Chromadoria

Chromadorida

Chromadorina

Chromadoroidea

Achromadoridae Gerlach & Riemann, 1973

Type genus of the family: Achromadora Cobb, 1913

A family of free-living soil and freshwater nematodes;  a limnetic-terrestrial family.

Characteristics of the family:

• Cuticle with transverse rows of fine punctations, without pronounced lateral differentiation.

• Six papillose inner labial sensilla; six outer labial setae and four shorter cephalic setae form a single circle, but occasionally may be in two separate circles.

• Amphideal fovea spiral, located posterior to the cephalic setae.

• Buccal cavity with a distinct dorsal tooth; subventral teeth small or absent.

• Pharynx with moderately developed terminal bulb.

• Female anterior and posterior gonad on the same side of the intestine, either both on the left or on the right side.

• Males rare; precloacal supplements inconspicuous or absent.

• Reproduction mostly by parthenogenesis..

    Go To Dictionary of Terminology 

Tchesunov, A.V. 2014. Order Chromadorida Chitwood, 1933, in A. Schmidt-Rhaesa. Handbook of Zoology, Gastrotricha, Cycloneuralia and Gnathifers, Vol 2. Nematoda. De Gruyter, Berlin. 759p

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