PBDB Collection

Paibi section, bed 25b (Cambrian of China)

Where: Hunan, China (28.4° N, 109.5° E: paleocoordinates 24.0° N, 150.8° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Lejopyge laevigata trilobite zone, Huaqiao Formation, Guzhangian (500.5 - 497.0 Ma)

• bed 25b (middle bed 25): 240.5-256 m, Wanshania wanshanensis polymerid trilobite zone

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified packstone

• Jiangnan Slope Belt, lower slope environments with sediment-gravity flows

• dark-gray, thin-bedded packstone, intercalated with dark-gray, thin-bedded, laminated packstone and 5 layers of medium gray, medium-bedded limestone breccia (each about 0.4 m thick)

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 49174: authorized by Austin Hendy, entered by Austin Hendy on 10.04.2005, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Paibiella paibiensis Paibiella paibiensis
Artiopoda
Agnostida - Diplagnostidae	Linguagnostus kjerulfi, Diplagnostus sp., Diplagnostus planicauda, Oidalagnostus changi Linguagnostus kjerulfi Brogger 1878 Diplagnostus sp. Jaeckel 1909 Diplagnostus planicauda Angelin 1851 Oidalagnostus changi Lu 1964
Agnostida - Agnostidae	Hadragnostus modestus Hadragnostus modestus Lochman 1944
Agnostida - Clavagnostidae	Clavagnostus repandus Clavagnostus repandus Westergard 1930
Agnostida - Spinagnostidae	Hypagnostus parvifrons Hypagnostus parvifrons Linnarsson 1869
Agnostida - Phalacromidae	Lisogoragnostus hybus Lisogoragnostus hybus Peng and Robison 2000
Agnostida - Ptychagnostidae	"Lejopyge laevigata" = Lejopyge laevigatus "Lejopyge laevigata" = Lejopyge laevigatus Dalman 1828
Agnostida - Ammagnostidae	Ammagnostus laiwuensis Ammagnostus laiwuensis Lorenz 1906
Trilobita
Ptychopariida - Lisaniidae	"Baojingia subquadrata" = Eoshengia, "Baojingia youshuiensis" = Eoshengia "Baojingia subquadrata" = Eoshengia trilobite "Baojingia youshuiensis" = Eoshengia trilobite
Ptychopariida - Catillicephalidae	Madarocephalus orientalis Madarocephalus orientalis trilobite
Ptychopariida - Solenopleuridae	Huzhuia paratypica Huzhuia paratypica Yang 1978 trilobite
Corynexochida - Dorypygidae	Dorypyge perconvexalis Dorypyge perconvexalis Yang 1977 trilobite
Corynexochida - Leiostegiidae	Wanshania wanshanensis Wanshania wanshanensis Rong and Yang 1977 trilobite
Corynexochida - Dolichometopidae	Fuchouia oratolimba Fuchouia oratolimba Yang 1977 trilobite
Lichida - Damesellidae	Paradamesella nobilis, Parablackwelderia laterilobata Paradamesella nobilis Lu and Lin 1989 trilobite Parablackwelderia laterilobata Yang 1977 trilobite
- Burlingiidae	Schmalenseeia sinensis Schmalenseeia sinensis Yang 1978 trilobite
-	Prodamesella punctata Prodamesella punctata Ergaliev 1980 trilobite