Genus Dasongius Sun & Guo, 2010

Syn. Songius Sun & Guo, 2010

Type species. Dasongius rugosus (Sun & Guo, 2010) .

Four species known in the genus:

Dasongius bicruris (Guo & Sun, 2010)

Dasongius liupanensis sp. n.

Dasongius rugosus (Sun & Guo, 2010)

Dasongius spatulatus sp. n.

Diagnosis. Body subcylindrical; pygidium quadrangular, elongated and much longer than tergum VI; surface of pygidial tergum highly modified as engraved honeycombed pentagonal and tetragonal cellae; pygidial sternum with two pairs of setae, b 1 + b 2; anterior margin of sterna antennal branch s shorter than posterior margin; globulus with short stalk; bothriotricha T 5 straight, strong, with sparse and long pubescence in proximal part; adults with 9 pairs of legs, 1 st and last pairs 5-segmented, interposed pairs 6-segmented (Guo et al. 2010). It can be easily distinguished from all other genera of family Pauropodidae by its unique engraved honeycomb-like structures on the tergum of pygidium.

Distribution. China (Anhui, Guangxi, Jiangsu, Ningxia, Shanxi, Shanghai, Sichuan).