Oribatei 



401 



ern Europe and the mountains of Mexico. Sellnick placed all the gen- 

 era under one family and his grouping is being retained, although 

 future work will probably corroborate Grandjean's findings. 



Figure 325 Cosmochthonius plumatus 

 Berlese. Dorsum of female. 



Figure 326 Eniochthoniiis pallidiilus 

 (Michael). Ventral plates of female. 

 (After Grandjean 1933) 



Genera: 



2. 



1948 



5. 



7. 



9. 



Hypochthomus Koch, 1836 {— Hypochthoniella Berlese, 1910 



— Arthrochthonius Ewing, 1917) 

 Type. Hypochthonius rufulus Koch, 1836 

 Amnemochthonius Grandjean, 1948 

 Type. Amnemochthonius taeniophorus Grandjean, 1948 

 Atopochthonius Grandjean, 1948 

 Type. Atopochthonius artiodactylus Grandjean, 

 Brachychochthonius Jacot, 1938 

 Type. Brachychochthonius jugatus Jacot, 1938 

 Brachychthonius Berlese, 1910 

 Type. Hypochthonius brevis Michael, 1887 

 Cosmochthonius Berlese, 1910 

 Type. Hypochthonius lanatus Michael, 1887 

 Eniochthonius Grandjean, 1933 

 Type. Hypochthonius pallidulus Michael, 1887 

 Eobrachychthonius Jacot, 1936 

 Type. Eobrachychthonius sexnotatus Jacot, 1936 

 Eohypochthonius Jacot, 1938 

 Type. Hypochthonius gracilis Jacot, 1936 



