Symphyla

Symphylans, also known as garden centipedes or pseudocentipedes, are soil-dwelling arthropods of the class Symphyla in the subphylum Myriapoda. Symphylans resemble centipedes but are very small, non-venomous, and may or may not form a clade with centipedes. More than 200 species are known worldwide.

thumb|Scutigerellid in Tennessee Scutigerellidae is a family of pseudocentipedes in the class Symphyla. There are five genera and at least 138 described species in this family. This family has a subcosmopolitan distribution.

species of arthropods

Scolopendrellidae is a family of pseudocentipedes in the class Symphyla. This family includes nine genera and at least 97 described species. This family has a subcosmopolitan distribution.

Scutigerella is a genus of symphylans in the family Scutigerellidae. This group includes at least 35 species and is the second-largest genus in this family. This genus has a subcosmopolitan distribution. This genus was first proposed in 1882 by the American zoologist John A. Ryder, who also designated S. immaculata as the type species.