Morph. G:l 



Plate I 



Fig. 1-U. Tylenchorhynchus claytoni Steiner, 1937. 



Fig. 1. Female 



A - lip region 



B - stylet 



D - median bulb of esophagus 



G - excretory pore 



H - basal bulb of esophagus 



I - cardia 



K - lateral field 



L - intestine 



M - ovary 



N - seminal receptacle 



- uterus 

 P - vagina 

 Q - vulva 

 S - sperms 



T - annulation of the cuticle 

 U - anus 



V - phasmids 



Fig. 2. Male 



A - lip region 



B - stylet 



C - dorsal esophageal gland orifice 



D - median bulb of esophagus 



E - subventral esophageal gland orifice 



F - nerve ring 



G - excretory pore 



H - basal bulb of esophagus 



1 - cardia 



L - intestine 



R - testis 



S - sperms 



T - annulation of the cuticle 



U - cloacal opening 



V - phasmids 

 W - spicule 



X - gubernaculum 



V - caudal bursa 



Fig. 3. Face view 

 A - arriphid 

 B - lips 



Fig. U. Cuticle detail 



A - lateral field with four incisures forming three ridges 

 B - annules subdivided by longitudinal striations 



