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Chuanqianoproetus

Trilobita - Proetida - Proetidae

Taxonomy
Chuanqianoproetus was named by Wu (1977) [Sepkoski's age data: S Wenl-l Sepkoski's reference number: 651]. Its type is Chuanqianoproetus constrictus.

It was assigned to Proetida by Sepkoski (2002); to Proetidae by Jell and Adrain (2002); and to Warburgellinae by Yuan et al. (2020).

Synonyms
Synonymy list
YearName and author
1977Chuanqianoproetus Wu
1983Xiushuiproetus Zhang p. 225
2002Chuanqianoproetus Jell and Adrain p. 358
2002Chuanqianoproetus Sepkoski
2020Chuanqianoproetus Yuan et al. pp. 673 - 674

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
orderProetidaFortey and Owens 1975
superfamilyProetoideaHawle and Corda 1847
familyProetidaeSalter 1864
subfamilyWarburgellinaeOwens 1973
genusChuanqianoproetus

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. †Chuanqianoproetus Wu 1977
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Chuanqianoproetus guizhouensis Yin and Li 1978
Invalid names: Xiushuiproetus Zhang 1983 [synonym]
Diagnosis
ReferenceDiagnosis
W. W. Yuan et al. 2020Warburgelline with glabella of pyriform or trapezoidal outline, with deep S1 (more pronounced on internal moulds); with low sagittal ridges on preoccipital glabella; sagittal projection (plectrum) across preglabellar field; tropidium and transverse preglabellar ridge absent; preocular facial suture between ???? and ???? diverges from exsagittal line at 34–45◦; thorax of nine segments (based on unpublished articulated specimens from Xiushan Formation in Chongqing); pygidium subtrian- gular to triangular outline, rounded, angular or mucronate posteriorly; narrow axis with 10–14 rings, 7–9 pairs of pleural ribs and well defined border; double pairs of apodemal depressions well developed along flanks of each axial ring.