Spinitectus micracanthus Christian, 1972 from Lepomis macrochirus, Texas. (A) Anterior (oesophageal) portion of male body, lateral view; (B) anterior end of male, lateral view; (C) cephalic end of female, apical view; (D) cephalic end of female, lateral view; (E) cephalic end of male, dorsoventral view; (F) mouth, apical view; (G) region of vulva, lateral view; (H) mature egg; (I) distal end of larger (left) spicule, lateral view; (J) small (right) spicule, lateral view; (K) female tail, lateral view; (L, M) posterior end of male, lateral and ventral views, respectively. (A–D and F–M specimens from Lepomis macrochirus; E specimen from Micropterus salmoides).