Cervidellus serricephalus
(Thorne, 1925) Thorne, 1936
Syn.: Acrobeles (Acrobeles) serricephalus Thorne, 1925
Photo Gallery- Konza Prairie
Photo Gallery- Nine-mile Prairie
Genus Comparisons- Cephalobidae

L = 0.34;
There is only a single wing bordered by two faint, slightly crenate lines.  The six cephalic probolae arch inward over the pharynx and are serrate, cutinized and highly refractive.  The serrate elements are six in number on each probola.  The labial pobolae are slender and lean outward.  They are bifurcate about one-fourth their length, the prongs being short and slender.  All the pharyngeal plates are small, the three posterior sets being about as wide as long.  When viewed from the face the second set is seen to bear two minute denticles on each plate, grouped about the entrance to the closed portion of the pharynx.  The cardiac bulb is three-fifths the width of the neck.  The intestine soon increases from one-third to two-thirds the body-width, its cells containing a few scattered, dark granules.  The vulva is small and slightly depressed.  An egg is one-eighth the body-length.  The conoid tail is similar to that figured for serratus.  Male unknown.
    From mountain soil, Utah and Colorado.  Very rare, seldom more than one or two specimens in a collection where other species are numbered by dozens.
(Description- Thorne, 1925)

DNA Sequences Obtained
Specimen: Collected:
9 Mile 3-26 LP1-49 9 Mile Prairie, First Survey