Campydora demonstrans
Cobb, 1920
Photo Gallery- Konza Prairie
Photo Gallery- Nine-mile Prairie

L = 0.6 mm; a = 22; b = 2.9 c = 6.8-7.3; V = 56

Cuticle marked by fine transverse striae resolvable into rows of minute dots.  Lip region set off by narrowing of neck.  Labial papillae prominent for so small a nema.  Amphids obscure.  Tooth slender, acute, its length about equal to height of lip region.  Pharynx depth equal to twice lip region width.  Pharyngeal muscles five-eighths as wide as head.  Esophagus a tube about one-third as wide as neck, terminating in a basal bulb.  Sometimes an elongate swelling is present just anterior to the nerve ring where three minute glands empty into the lumen.  Excretory pore and tube easily visible.  Intestinal cells containing scattered, refractive granules.  Prerectum apparently absent.  Rectum usually flexed backward, its length about equal to the anal body diameter.  Anterior ovary reflexed almost to vulva; posterior female sexual branch a rudimentary, outstretched tube. Tail uniformly conoid to the small conical terminus.  Caudal pores slightly anterior to middle of tail.  A ventral, pore-like marking was present on the tail of six of seven specimens examined.  The wing-like striae described by COBB were not present on the Utah specimens and must have been due to fixation distortion.

Habitat:  Described by COBB from soil about the roots of citrus trees, Corfu, Greece.  The above description from specimens collected from soil at summit of Mt. Timpanogos, and bank of Aspen Creek flowing down its slope, Utah, USA.  The almost exact coincidence of measurements of the specimens from Greece and Utah is indeed remarkable.
-Thorne, 1939

Note: Campydora demonstrans has been found in soil from Konza Prairie, Manhattan, Kansas; and Nine-mile Prairie, Lincoln, Nebraska

DNA Sequences obtained
Specimen: Collected:
KonzaVIAA-02A Konza Prairie, first survey
KonzaI CC-11 Konza Prairie, first survey