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Checklist for Order Spirobolida Cook, 1895 (Round-backed millipedes)
and region Middle Pennsylvanian (Upper Carboniferous)


Class
 
Diplopoda
De Blainville in Gervais, 1844
Diplopods, Millepedes, Millipede, Millipedes
11
18
56
Families
Genera
Species
 
Taxom
 

Subclass
 
Chilognatha
Latreille, 1802
6
10
35
Families
Genera
Species
 
Taxom
 

Infraclass
 
Helminthomorpha
Pocock, 1887
4
4
9
Families
Genera
Species
 
Taxom
 

Superorder
 
Anocheta
Cook, 1895
3
3
8
Families
Genera
Species
 
Taxom
 

Order
 
Spirobolida
Cook, 1895
Round-backed millipedes
3
3
8
Families
Genera
Species
 
Taxom
 


List of families for Middle Pennsylvanian
3 Families width 8 Species
Nyraniidae Hoffman, 19692SpeciesTaxom
Plagiascetidae Hoffman, 19691SpeciesTaxom
Xyloiulidae Cook, 18955SpeciesTaxom


Genera for Middle Pennsylvanian
3 Genera with 8 Species
Nyranius Hoffman, 18992SpeciesTaxom
Plagiascetus Hoffman, 19631SpeciesTaxom
Xyloiulus Cook, 18995SpeciesTaxom


Species list for Middle Pennsylvanian
8 Species
Nyranius costulatus ♰ A. Frič, 1875
Nyranius tabulatus ♰ A. Fritsch, 1899
Plagiascetus lateralis ♰ R. L. Hoffman, 1963
Xyloiulus bairdi ♰ Hoffman, 1963
Xyloiulus frustulentus Scudder, 1890
Xyloiulus mazonus Scudder, 1890
Xyloiulus pstrossi ♰ A. Fritsch, 1899
Xyloiulus sellatus ♰ A. Fritsch, 1899

Subnodes of Spirobolida with occurrences in Middle Pennsylvanian
FamilyNyraniidae ♰
Hoffman, 1969
1
2
Genus
Species

Taxom

FamilyPlagiascetidae ♰
Hoffman, 1969
1
1
Genus
Species

Taxom

FamilyXyloiulidae ♰
Cook, 1895
1
5
Genus
Species

Taxom



Links, sources and further information
Spirobolida at artfakta.se
Spirobolida at dyntaxa.se
Spirobolida at gbif.org
Spirobolida at irmng.org
Spirobolida at itis.gov