Necator americanus
See Hookworms.
Posterior part of N. americanus(male) showing dorsal ray and spicule. x200 Chong Yoon Joo
Magnigication of dorsal ray in N. americanus (male). x400 Chong Yoon Joo
Posterior end of N. americanus(female) x200 Chong Yoon Joo
Buccal cavity of Necator americanus. Sung-Jong Hong