Genus Alaimus
de Man, 1880
Photo Gallery- Forensic Nematology
Definition:  Alaimoidea.  Lip region rounded, continuous with body contour.  Outer circlet of cephalic papillae easily visible, inner circlet extremely small and sometimes invisible.  'Excretory pore' generally obscure, placed far back on oesophageal region.  Amphid apertures minute, connected directly with sensillae by slender amphidial tube; placed several body-widths from anterior end.  Pharynx obscurely tubular but actually tri-radiate in cross-section.  Oesophagus swollen in posterior third or less.  Apparently 7 oesophageal glands present.  Oesophago-intestinal valve thin and disc-like.  A distinct pre-rectum absent.  Ovary single, posterior, reflexed; vulva a transverse slit, pre-equatorial in position; vagina thick, muscular.  Testis single, outstrectched.  Spicules simple.  Supplements consisting of a ventromedian row; adanal pair absent.

Type species: Alaimus primitivus de Man, 1880
-Goodey, 1963

Species found:    at:
A. acutus Konza Prairie
A. arcuatus Konza Prairie
A. minor Forensic Project
A. mucronatus Konza Prairie, Forensic Project
A. parvus Konza Prairie
A. primitivus Konza Prairie, Homestead dddd

Other Species: (list from Goodey, 1963)
A. acutus Thorne, 1939
A. arcuatus Thorne, 1939
A. elongates de Man, 1906
A. glissus Thorne, 1939
A. macer Andrassy, 1958
A. minor Cobb, 1893
A. modestus Sch. Stek & Teun., 1938 [? Sp. Inq.]
A. mucronatus Altherr, 1950
A. multipapillatus Wu & Hoeppli, 1929
A. parvus Thorne, 1939
A. proximus Thorne, 1939
A. similis Thorne, 1939
A. simplex Cobb, 1914
A. tenuis Thorne, 1939
A. thamugadi Maupas, 1900