6. 



Family RHABDITUJAE Oerley, I88O 

 (Key to subfamilies after Dougherty, 1955) 



1. Dorsal and ventral lips reolaced by paired hook-like structures 

 DIPL0SCAPT(5RINAE Micoletzky, 1922 P. 6 



(Contains a single genus, Diploscapter Cobb, 1913) 

 Dorsal and ventral lips not replaced by paired hook-like structures. 2 



2. Cuticle highly ornamented; head retractile and with large bristles and 



lamellae BUNONI^^ATINAE Micoletzky, 1922 P. 7 



Cuticle not highly ornamented 3 



3. Stom.a terminated by a glottoid apparatus. RHABDITINAE Micoletzky, 1922 P. 8 

 Stoma not terminated by a glottoid apparatus U 



U. Stoma cylindrical; broad and foreshortened 



POIKILOLABINAE Dougherty, 1955 



Stoma cylindrical; narrow PROTORHABDITINAE Dougherty, 1955 



Incertia sedis: Macramphis Altherr, 1950 



Genus Diploscapter Cobb, 1913 



D. coronata (Cobb, 1893) Cobb 1913 



D. libycus Penso, 1938 



D. pachys Steiner, I9J42 



D. rhizophilus v. cylindricus Rahm, 1928-1929 



Subfamily POIKILOLAIMINAE Dougherty, 1955 



Genera: 



Brevibucca Goodey, 1935 

 Poikilolaimus Fuchs, 1930 



