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Sphaerexochus calvus

Trilobita - Phacopida - Cheiruridae

Taxonomy
Sphaerexochus calvus was named by Mc Coy (1846).

Sister species lacking formal opinion data
S. arcuatus, S. dimorphis, S. filius, S. lanei, S. lorum

Synonyms
Synonymy list
YearName and author
1845Sphaerexochus mirus Beyrich
1846Sphaerexochus calvus Mc Coy
1854Sphaerexochus angustifrons Angelin
1896Sphaerexochus latirugatus Reed

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderCheirurinaHarrington and Leanza 1957
familyCheiruridaeHawle and Corda 1847
subfamilySphaerexochinaeOpik 1937
genusSphaerexochusBeyrich 1845
speciescalvusMc Coy 1846

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.

†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]
Diagnosis
No diagnoses are available