Thorne, 1974
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Description (from Thorne, 1974)
Body cylindroid, tapering at extremities.
Lateral field 1/5 body width. Lip region slightly angular, papillae
easily seen. Spear 13-15
um long with aperture occupying about 1/3 its length. Esophagus enlarged
in posterior 3/7 by rather abrupt expansion. Cardia elongate conoid.
Microvilli present. Intestinal cells packed with coarse, refractive
brown granules. Rectum length about twice anal body diameter.
Prerectum 1 1/2 times length of rectum. A peculiar valve-like organ
occasionally observed extending forward into the intestine from its junction
with prerectum, as first recorded by Thorne and Swanger, 1936. Vulva
longitudinal. Ovaries reflexed halfway to vulva, usually crowded
by eggs twice as long as body width and by uterine spermatheca as long
as eggs, packed with sperms. Tails
concave-spicate.
Male not collected.
Mesodorylaimus simplex is distinctive because of longitudinal
vulva, presence of microvilli and tail form.
Habitat: Oat field near Lake Preston, South Dakota.
DNA Sequences Obtained
| Specimen: | Collected: |
| KonzaII BD-69 | Konza Prairie, First Survey |
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