Main Content
< Top page

The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Xironodrilus

Xironodrilus Ellis, 1919 (ref. ID; 1923)

ref. ID; 1923

Without setae; with posterior sucker; pharynx with dorsal and ventral chitinous jaws; commensal on crayfish. With two pairs of testes in segments 5 and 6. Body with appendages. Accessory sperm tube absent. Without a pair of large clear glands in each of the 9 postcephalic segments; spermatheca not bifid. Major annulations of body segments not secondarily divided. Body flattened; sucker ventral. (ref. ID; 1923)
  1. Xironodrilus dentatus Goodnight, 1940 (ref. ID; 1923)
  2. Xironodrilus formosus Ellis, 1919 (ref. ID; 1923)
  3. Xironodrilus pulcherrimus (Moore, 1894) (ref. ID; 1923)

Xironodrilus dentatus Goodnight, 1940 (ref. ID; 1923)

Descriptions

Median tooth of the upper jaw shorter than either of the 2 teeth adjoining it, if odd in number; if even in number, one of median pair is shorter. (ref. ID; 1923)

Xironodrilus formosus Ellis, 1919 (ref. ID; 1923)

Descriptions

Median tooth of the upper jaw the longest tooth if teeth are odd in number; if teeth are even in number, the median pair is the longest. (ref. ID; 1923)

Xironodrilus pulcherrimus (Moore, 1894) (ref. ID; 1923)

Descriptions

Median teeth of upper and lower jaws shorter than lateral teeth. (ref. ID; 1923)