>700 spp. worldwide
Five introduced species in North America.
"For practical purposes, the family Paradoxosomatidae can be recognized by the dorsal transverse grooves on the 'metazona' of each segment." -- Rowland Shelley
Not native to North America; introduced species Oxidus gracilis is widespread.
Known species in US and Canada: (1)(2)
- Gulf Coast states.
- Widespread, probably all states and provinces
for comparison of A. coarctata
and O. gracilis
Rowland Shelley: Photos of Paradoxosomatidae
. The Myriapoda (Millipedes, Centipedes) Featuring the North American Fauna.