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Sphaerexochus

Trilobita - Phacopida - Cheiruridae

Synonyms
Synonymy list
YearName and author
1845Sphaerexochus Beyrich
1854Sphaerometopus Angelin
1916Sphaerexochus Raymond p. 41
1925Sphaerexochus Warburg
1981Sphaerexochus Owen
2002Sphaerexochus Jell and Adrain p. 447
2002Sphaerexochus Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
subfamilySphaerexochinaeOpik 1937
genusSphaerexochusBeyrich 1845

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. †Sphaerexochus Beyrich 1845
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Sphaerexochus arenosis Chatterton and Ludvigsen 1977
Sphaerexochus arenosus Chatterton and Ludvigsen 1976
Sphaerexochus atacius Ludvigsen 1979
Sphaerexochus brandlyi Chatterton and Perry 1984
Sphaerexochus bridgei Cooper and Kindle 1936
Sphaerexochus calvus Mc Coy 1846
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Invalid names: Sphaerexochus angustifrons Angelin 1854 [synonym], Sphaerexochus latirugatus Reed 1896 [synonym], Sphaerexochus mirus Beyrich 1845 [synonym]
Sphaerexochus desertus Billings 1865
Sphaerexochus dimorphus Whittington and Evitt 1953
Sphaerexochus discrepans Raymond 1925
Sphaerexochus eurys Tripp 1962
Sphaerexochus glaber Holloway 1980
Sphaerexochus hapsidotus Whittington and Evitt 1953
Sphaerexochus hiratai Kobayashi and Hamada 1974
Sphaerexochus hisingeri Warburg 1925
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Invalid names: Calymene clavifrons Hisinger 1840 [synonym]
Sphaerexochus johnstoni Chatterton and Perry 1984
Sphaerexochus laciniatus Lindström 1885
Sphaerexochus latifrons Angelin 1854
Sphaerexochus molongloensis Chatterton and Campbell 1980
Sphaerexochus parvus Billings 1865
Sphaerexochus planirachis Kobayashi and Hamada 1974
Sphaerexochus pulcher Whittington and Evitt 1953
Sphaerexochus scabridus Angelin 1854
Sphaerexochus valcourensis Shaw and Bolton 2011
Invalid names: Sphaerometopus Angelin 1854 [nomen nudum]
Diagnosis
No diagnoses are available