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Calyptaulax callirachis

Trilobita - Phacopida - Pterygometopidae

Taxonomy
Calliops callirachis was named by Cooper (1953). Its type specimen is USNM 116535a, a cephalothorax, and it is a 3D body fossil. Its type locality is Loc. 3. south side of road, 0.2 mile east of Strasburg Junction, which is in a Turinian carbonate limestone in the Edinburg Formation of Virginia.

It was recombined as Calyptaulax callirachis by Chatterton and Ludvigsen (1976).

Sister species lacking formal opinion data
C. georgei, C. planiformis

Synonyms
Synonymy list
YearName and author
1953Calliops loxorachis Cooper p. 37 figs. Pl. 16, fig. 9
1953Calliops callirachis Cooper p. 39 figs. Pl. 18 figs. 13-14
1976Calyptaulax callirachis Chatterton and Ludvigsen p. 77

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
RankNameAuthor
classTrilobitaWalch 1771
orderPhacopidaSalter 1864
suborderPhacopinaStruve 1959
superfamilyPhacopoideaHupe 1953
familyPterygometopidaeReed 1905
subfamilyEomonorachinaePillet 1954
genusCalyptaulaxCooper 1930
speciescallirachis()

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.

†Calyptaulax callirachis Cooper 1953
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Invalid names: Calliops loxorachis Cooper 1953 [synonym]
Diagnosis
No diagnoses are available