PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Xyloiulus

Myriapoda - Xyloiulidae

Taxonomy

Xyloiulus was named by Cook (1895). Its type is Xylobius sigillariae. It is the type genus of Xyloiuloidea, Xyloiulidae.

It was assigned to Xyloiulidae by Cook (1895), Hoffman (1963), Hoffman (1969), Štamberg and Zajíc (2008).

Species

Xylobius fractus, Xylobius platti, Xylobius renieri, Xylobius similis, X. bairdi, X. frustulentus, X. mazonus, X. pstrossi, X. sellatus, X. sigillariae

Synonyms

Xylobius was named by Dawson (1860). It is not extant. Its type is Xylobius sigillariae.

It was replaced with Xyloiulus by Cook (1895), Hoffman (1963), Hoffman (1969).

It was assigned to Chilognatha by Dawson (1860); and to Archiulidae by Scudder (1890), Baldwin (1911), Pruvost (1930).

Synonymy list

Year	Name and author
1860	Xylobius Dawson p. 271
1890	Xylobius Scudder p. 437
1895	Xyloiulus Cook p. 3
1911	Xylobius Baldwin p. 79
1930	Xylobius Pruvost p. 169
1963	Xyloiulus Hoffman p. 169
1969	Xyloiulus Hoffman p. 587
2008	Xyloiulus Štamberg and Zajíc p. 86

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Ecdysozoa	Aguinaldo et al. 1997
—	Panarthropoda
phylum	Arthropoda	Latreille 1829
class	Myriapoda	()
—	Dignatha	Tiegs 1947

Rank	Name	Author
subclass	Diplopoda	Gervais 1844
subclass	Chilognatha	()
infraclass	Helminthomorpha	(Pocock 1887)
—	Eugnatha	Attems 1898
superorder	Juliformia	Attems 1926
superfamily	Xyloiuloidea
family	Xyloiulidae
genus	Xyloiulus

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Xyloiulus Cook 1895

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†Xyloiulus bairdi Hoffman 1963

†Xyloiulus frustulentus Scudder 1890

†Xyloiulus mazonus Scudder 1890

†Xyloiulus pstrossi Fritsch 1899

†Xyloiulus sellatus Fritsch 1899

†Xyloiulus sigillariae Dawson 1860

Invalid names: Xylobius Dawson 1860 [replaced]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Locomotion:

actively mobilep

Created:

2004-02-29 09:38:49

Modified:

2004-02-29 11:38:49

Source: p = phylum

Reference: Kiessling 2004

Age range: base of the Westphalian A to the top of the Kungurian or 318.70000 to 274.40000 Ma

Collections (13 total)

Time interval	Ma	Country or state	Original ID and collection number
Westphalian A	318.7 - 316.9	United Kingdom (England)	Xylobius platti (34905) X. sp. (124367)
Westphalian A	318.7 - 316.9	Canada (Nova Scotia)	Xylobius sigillariae (155665) Xylobius sigillariae, Xylobius similis, Xylobius fractus (28069)
Westphalian A	318.7 - 316.9	Belgium	Xylobius renieri (155630)
Moscovian	315.2 - 307.0	Czechia (Pilsen)	Xylobius pstrossi, Xylobius sellatus (128574)
Westphalian C - Westphalian D	314.6 - 307.4	Canada (Nova Scotia)	Xylobius sp. (80111)
Westphalian D	309.8 - 307.4	USA (Ohio)	Xylobius sp. (85292)
Westphalian D	309.8 - 307.4	USA (Illinois)	Xylobius frustulentus (122521 122527) Xylobius mazonus, Xylobius frustulentus (21981)
Artinskian	290.1 - 283.3	USA (Texas)	Xylobius sp. (11149)
Kungurian	283.3 - 274.4	USA (Texas)	Xylobius sp. (195185)