Genus Prismatolaimus
de Man, 1880
Photo Gallery- Konza Prairie
Photo Gallery- Long's Peak, Colorado

Definition:  Monhysterinae.  Cuticle with fine transverse striae, without body bristles.  Amphids slit-like and obscure.  Head not offset but with 2 circlets of 6 long and 4 shorter bristles respectively; lips rounded with a terminal circlet of 6 minute apical papillae.  Stoma less than a head-width long, fairly wide with cuticularized walls; its base sometimes with denticulated cushions and a small dorsal tooth.  Oesophagus cylindrical with a more or less spherical oesophago-intestinal cell group.  Female gonads reflexed, paired and opposed, or single.  Spicules paired and slightly arcuate; gubernaculum absent.  A series of pre-anal, mid-ventral supplements extend as far forward as the oesophageal region.  Caudal glands and a terminal duct present.

Type Species:  Prismatolaimus intermedius (Butschli, 1873) de Man, 1880

                  syn. Monhystera intermedius Butschli, 1873
                         P. hawaiiensis Cobb, 1906

-Goodey, 1963

DNA Sequences Obtained
Specimen: Collected:
9 Mile 3-30 LP1-20 9 Mile Prairie, First Survey