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The Wulingshan Mountains region of northwestern Hunan and eastern Guizhou provinces, China, contains some of the most complete and fossiliferous strata known in the upper part of the Cambrian. Easy access to good exposures has helped make this area the subject of numerous systematic, biostratigraphic, lithostratigraphic, chemostratigraphic, and sequence-stratigraphic studies.
The purpose of this two-volume set is to document the polymerid (or non-agnostoid) trilobites from the Huaqiao Formation of northwestern Hunan. A total of 196 species, some in open nomenclature, are reported, including a large number of new genera and new species. Some additional individual sclerites remain undetermined however, so the true diversity of polymerid taxa in the Huaqiao Formation is slightly greater than that reported here based on good, identifiable material. The polymerids have paleogeographic distributions ranging from regional to intercontinental. Most of the genera and some of the species are useful as biostratigraphic zonal indicators within Gondwana, and a few have utility intercontinentally.
Volume 1 of this set contains general geologic information concerning the Huaqiao Formation of northwestern Hunan, lithostratigraphic data, biostratigraphic zonation, detailed descriptions of three stratigraphic sections, and the systematics of corynexochid, lichid, and as aphid trilobites. Volume 2 contains systematic treatments of ptychopariids, eodiscids, trilobites of uncertain affinity, and some undetermined sclerites. In both volumes, considerable effort was made to reillustrate type material of many previously described taxa. In some older literature, illustrations were not always reproduced well, so the new illustrations should help to clarify taxonomic concepts.

Vol.1: Corynexochida, Lichida, and Asaphida
1.Foreword
2.Introduction
3.Previous work
4.Geologic setting
5.Correlation
6.Systematic Paleontology
Class Trilobita Walch, 1771
(1)Order Corynexochida Kobayashi, 1935
a.Family Corynexochidae Angelin, 1854
b.Family Dolichometopidae Walcott, 1916
c.Family Dorypygidae Kobayshi, 1935
d.Family Leiostegiidae Bradley, 1925
(2)Order Lichida Moore, 1959
a.Family Damesellidae Kobayashi, 1935
b.Family Eoacidaspidae Poletaeva, 1957
(3)Order Asphina Salter, 1864
a.Family Anomocaridae Poulsen, 1927
b.Family Pterocephaliidae Kobayashi, 1935
c.Family Ceratopygidae Linnarsson, 1869
d.Family Alsataspididae Turner, 1940
e.Family Liostracinidae Raymond, 1937
f.Family Monkaspididae Kobayashi, 1935
7.References
8.Index of species and genera
9.Plates

 

Vol.2: Ptychopariida, Eodiscida, and Undetermined Forms
1.Introduction
2.Systematic Paleontology
(1)Order Ptychopariida Swinnerton, 1915
a.Family Ptychopariidae Matthew, 1887
b.Family Anomocarellidae Hupe, 1953
c.Family Proasaphiscidae Chang, 1963
d.Family Catillicephalidae Raymond, 1938
e.Family Crepicephalidae Kobayashi, 1935
f.Family Diceratocephalidae Lu, 1954
g.Family Dokimocephalidae Kobayashi, 1935
h.Family Eulomidae Kobayashi, 1955
i.Family Kingstoniidae Kobayashi, 1933b
j.Family Lisaniidae Chang, 1963
k.Family Lonchocephalidae Hupe, 1953
l.Family Mapaniidae Chang, 1963
m.Family Onchonotopsidae Shaw, 1966
n.Family Papyriaspididae Whitehouse, 1939
o.Family Rhyssometopidae Opik, 1967
p.Family Solenopleuridae Angelin, 1854
q.Famioly Shumardiidae Lake, 1907
r.Family Olenidae Burmeister, 1843
s.Family Harpididae Whittington, 1950
t.Family Burlingiidae Walcott, 1908
u.Family Undetermined
(2)Order Agnostida Salter, 1864
a.Eodiscidae Raymond, 1913
3.References
4.Index of species and Genera
5.Plates

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