Paibi section, bed 30a (Cambrian of China)

Where: Hunan, China (28.4° N, 109.5° E)

• Paleocoordinates: 13.1° S, 85.7° E (Wright 2013)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Linguagnostus reconditus trilobite zone, Huaqiao Formation, Guzhangian (500.5 - 497.0 Ma)

• bed 30a (lower bed 30): 298.1-308 m, Wanshania wanshanensis polymerid trilobite zone, Youshuian, Upper Guzhangian

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified packstone and lithified, dolomitic grainstone

• Jiangnan Slope Belt, lower slope environments with sediment-gravity flows
• dark-gray, thin-bedded packstone, intercalated with gray, thin- to thick-bedded, laminated packstone beds and laminated dolomitic grainstone beds, and eight layers of thin-bedded limestone breccia (0.15-1.102 m thick), most of which vary in thickness laterally

Size class: macrofossils

Primary reference: S. Peng and R. A. Robison. 2000. Agnostid biostratigraphy across the Middle-Upper Cambrian boundary in Hunan, China. Journal of Paleontology Memoir 53 [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 49181: authorized by Austin Hendy, entered by Austin Hendy on 10.04.2005, edited by Uta Merkel

Creative Commons license: CC0 (CC0)

Taxonomic list

unclassified
  -
Artiopoda
 Agnostida - Diplagnostidae
Linguagnostus reconditus Poletaeva and Romanenko 1970
 Agnostida - Ammagnostidae
Proagnostus bulbus Butts 1926
? Ammagnostus cryptus Peng and Robison 2000
 Agnostida - Agnostidae
Hadragnostus modestus Lochman 1944
Kormagnostus minutus Schrank 1975
Trilobita
  - Monkaspididae
Monkaspis quadrata Yang 1977 trilobite
 Lichida - Damesellidae
"Taihangshania wangcunensis" = Taihangshaniashania wangcunensis Peng et al. 2004 trilobite
Parablackwelderia jimaensis Yang 1974 trilobite
Protaitzehoia granifera Yang 1978 trilobite
Protaitzehoia subquadrata Peng 1987 trilobite
Palaeadotes hunanensis Yang 1977 trilobite
? Damesella sp. Walcott 1905 trilobite
Paradamesella peculiaris Zhou 1977 trilobite
 Corynexochida - Dorypygidae
Dorypyge perconvexalis Yang 1977 trilobite
 Corynexochida - Corynexochidae
Chatiania expansa Yuan and Yin 1998 trilobite
Chatiania convexa Peng et al. 2004 trilobite
 Corynexochida - Dolichometopidae
Fuchouia oratolimba Yang 1977 trilobite
 Corynexochida - Leiostegiidae
Wanshania wanshanensis Rong and Yang 1977 trilobite
Meropalla bella Yuan and Yin 1998 trilobite
 Asaphida - Ceratopygidae
Proceratopyge fuyangensis Lu and Lin 1987 trilobite
 Asaphida - Anomocarellidae
Neoanomocarella asiatica Hsiang 1963 trilobite
 Asaphida - Rhyssometopidae
 Ptychopariida - Lonchocephalidae
Neoglaphyraspis nitida Yuan and Yin 1998 trilobite
 Ptychopariida - Solenopleuridae
Huzhuia paratypica Yang 1978 trilobite
 Ptychopariida - Diceratocephalidae
Fenghuangella laochatianensis Yang 1977 trilobite
 Ptychopariida - Lisaniidae
"Baojingia subquadrata" = Eoshengia
"Baojingia subquadrata" = Eoshengia trilobite
 Ptychopariida - Catillicephalidae
Buttsia globosa, "Paradistazeris hunanensis" = Agelagma
Buttsia globosa Lu and Lin 1987 trilobite
"Paradistazeris hunanensis" = Agelagma trilobite
 Harpetida - Entomaspididae
 Olenida - Pterocephaliidae
Yangweizhouia carinata Yuan and Yin 1998 trilobite
 Olenida - Asaphiscidae