Contribuição para o conhecimento da fauna helmintolojica brazileira 



pelo 



(Com a estampa 15). 



Ill 



Novo genero da familia Heterakidae RAILLIET & HENRY. 



Contribution to the study of brazilian helminthology 



by 



(With plate 15.) 

 III. 

 A new genus of tlie family Heterakidae RAILLIET & HENRY. 



RAILLIET e HENRY, em 1912, dividiram 

 a familia Ascaridae em diversas subfamilias 

 entre as quaes figurava a Heterakinae de que 

 nos ocupamos recentemente. Estes mesmos 

 autores em memoria apresentada ao IX Con- 

 gresso Internacional de Zoolojia em Monaco, 

 propuzeram fosse essa subfamilia elevada a 

 familia. 



Seguindo esie critério nos parece rasovel 

 elevar-se tambcm á familia as demas subfa- 

 milias reunindo-as todas em uma grande su- 

 perfamilia ^Ascaridew' dado o parentesco in- 

 discutível existente entre elas. 



Na familia Heterakidae estes autores in- 

 cluem 6 géneros e 2 subgéneros; diverjimos 



The family Ascaridae was split in seve- 

 ral subfamilies by RAILLIET and HENRY 

 in 1912; one of which the "Heterakinae" for- 

 med the subject of a paper lately published 

 by me. The same authors proposed to pro- 

 move this division to family rank in a paper 

 presented at the ninth International Congress 

 of Zoology in JVlonaco. 



Following this argument we think fit to 

 consider familes also the remaining subfami- 

 lies and unite all of them in the superfami- 

 ly Ascaridea, on acount of the affinity which 

 undoubtedly exists between all of them. 



In the family Heterakidae those authors 

 included six genera andtwo subgenera. I do 



