Species list, Checklist of Suborder Trigoniulidea for Southern South America (South America)

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Checklist for Suborder Trigoniulidea Brölemann, 1913
and region Southern South America (South America)

Class	Diplopoda De Blainville in Gervais, 1844 Diplopods, Millepedes, Millipede, Millipedes	33 103 248	Families Genera Species	Taxom
Subclass	Chilognatha Latreille, 1802	30 95 235	Families Genera Species	Taxom
Infraclass	Helminthomorpha Pocock, 1887	29 94 234	Families Genera Species	Taxom
Superorder	Anocheta Cook, 1895	5 8 29	Families Genera Species	Taxom
Order	Spirobolida Cook, 1895 Round-backed millipedes	5 8 29	Families Genera Species	Taxom
Suborder	Trigoniulidea Brölemann, 1913	2 2 2	Families Genera Species	Taxom

List of families for Southern South America
2 Families width 2 Species

Trigoniulidae Attems, 1909		1	Species	Taxom
Pachybolidae (Cook, 1897)		1	Species	Taxom

Genera for Southern South America
2 Genera with 2 Species

Decelus Hoffman & Ke..., 1938		1	Species	Taxom
Spirostreptus Brandt, 1903		1	Species	Taxom

Species list for Southern South America
2 Species

Decelus brachysternus Attems, 1938
Spirostreptus collectivus (Attems, 1903)	⇒ Autostreptus chilensis Gervais, 1847

Subnodes of Trigoniulidea with occurrences in Southern South America

Family	Pachybolidae Cook, 1897	1 1	Genus Species	Taxom
Family	Trigoniulidae Attems, 1909	1 1	Genus Species	Taxom