''Sigmoria australis'' is a species of

flat-backed millipede Polydesmida (from the Greek language, Greek ''poly'' "many" and ''desmos'' "bond") is the largest order (biology), order of millipedes, with more than 5,000 species, including all the millipedes reported to produce hydrogen cyanide (HCN). This or ...

in the family

Xystodesmidae Xystodesmidae is a family of millipedes in the suborder Leptodesmidea within the order Polydesmida (the "flat-backed" or "keeled" millipedes). The family Xystodesmidae was created by the American biologist Orator F. Cook in 1895 and named after ...

. It is found in North America.

References

Further reading