Phagoaata monoTpharyngea Hyroan , 1945 



Synonyms: Phagocata graoilis monopharyngea Hyman, 1945; Fontioola graoilis 

 monopharyngea: Ball, 1969. 



vd bp 



Fig. 30 after Hyman (1945). 



A problematic species. Preserved specimens up to 15 mm long, rather 

 broad. Head truncate, with slightly indicated auricles, without adhesive 

 organ. Pigmentation dark gray. Eyes normally two, frequently with small 

 accessory eyes. No testes seen. Penis with small bulb and large, con- 

 ical papilla. Vasa deferentia enter and traverse the bulb and open sep- 

 arately into the wide elongated penial lumen which is situated in the 

 papilla and extends to its tip. Common oviduct opens into posterodorsal 

 wall of atrium. Copulatory bursa sac-shaped, bursal duct narrow in its 

 anterior part, widens gradually as it proceeds posteriorly to join the 

 common atrium. Known from the outlet of a tile drain, Iowa. Literature: 

 Hyman (1945). 



33 



