Nyranius

Nyranius; Temporal range: 311–307 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ Westphalian
	Nyranius costulatus fossil
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Myriapoda
Class:	Diplopoda
Order:	incertae sedis
Superfamily:	†Xyloiuloidea
Family:	†Nyraniidae; Hoffman, 1963
Genus:	†Nyranius; Hoffman, 1969
Species
	†Nyranius costulatus (Fritsch, 1875); †Nyranius tabulatus (Fritsch, 1899);

Nyranius is a genus of fossil millipedes from the Upper Carboniferous (Westphalian) of Europe, containing the species N. costulatus and N. tabulatus. Specimens reach up to 10mm in width, and are covered in fine grooves, similar to other members of the extinct Xyloiuloidea.[1][2]

References

Hoffman, Richard L. (1963). "New Genera and Species of Upper Paleozoic Diplopoda". Journal of Paleontology. 37 (1): 167–174. JSTOR 1301419.
Hoffman, Richard L., 1969. Myriapoda, exclusive of Insecta. R572–R606. In: Moore, R.C. (Ed.), Treatise on Invertebrate Paleontology, Part R, Vol. 2. Geological Society of America and University of Kansas Press, Lawrence, KS.

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[1] Hoffman, Richard L. (1963). "New Genera and Species of Upper Paleozoic Diplopoda". Journal of Paleontology. 37 (1): 167–174. JSTOR 1301419.

[2] Hoffman, Richard L., 1969. Myriapoda, exclusive of Insecta. R572–R606. In: Moore, R.C. (Ed.), Treatise on Invertebrate Paleontology, Part R, Vol. 2. Geological Society of America and University of Kansas Press, Lawrence, KS.