PBDB Collection

Paibi section, bed 36a (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: Linguagnostus reconditus trilobite zone, Huaqiao Formation, Guzhangian (500.5 - 497.0 Ma)

• bed 36a (lower bed 36): 345.60-361.12 m, Liostracina bella polymerid trilobite zone, Youshuian, Upper Guzhangian

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified packstone

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

• dark-gray, thin- to medium-bedded packstone, interbedded with 10 layers of medium

•gray, medium- to thick-bedded limestone breccia (single layer ranging up to 90 cm thick); one such layer (about 4 cm thick) occurs at base and top of this bed

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 49185: 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
-	Huayuanodontus tricornis, Paibicornus proarcuatus Huayuanodontus tricornis Paibicornus proarcuatus
Conodonta
Paraconodontida -	Westergaardodina elegans, Westergaardodina sp., Furnishina cf. alata, Furnishina furnishi Westergaardodina elegans conodont Westergaardodina sp. Müller 1959 conodont Furnishina cf. alata conodont Furnishina furnishi Muller 1959 conodont
- Amphigeisinidae	Phakelodus elongates, Phakelodus tenuis Phakelodus elongates conodont Phakelodus tenuis Muller 1959 conodont
Artiopoda
Agnostida -	Agnostogonus incognitus Agnostogonus incognitus Opik 1967
Agnostida - Ammagnostidae	Ammagnostus sinensis Ammagnostus sinensis Peng 1987
Agnostida - Spinagnostidae	Peratagnostus obsoletus Peratagnostus obsoletus Kobayashi 1935
Trilobita
Corynexochida - Corynexochidae	Chatiania chatianensis Chatiania chatianensis Yang 1977 trilobite
Ptychopariida - Diceratocephalidae	Fenghuangella liostracinala, Fenghuangella laochatianensis, Ajrikina hunanensis Fenghuangella liostracinala trilobite Fenghuangella laochatianensis Yang 1977 trilobite Ajrikina hunanensis Peng 1987 trilobite
Asaphida - Ceratopygidae	Proceratopyge sp., Pseudoyuepingia laochatianensis Proceratopyge sp. Wallerius 1895 trilobite Pseudoyuepingia laochatianensis Yang 1977 trilobite
Asaphida - Anomocarellidae	Neoanomocarella asiatica Neoanomocarella asiatica Hsiang 1963 trilobite
Asaphida - Rhyssometopidae	Rhyssometopus zhongguoensis Rhyssometopus zhongguoensis trilobite
Trinucleida - Liostracinidae	Liostracina bella Liostracina bella Lin et al. 1983 trilobite
Olenida - Asaphiscidae	Luyanhaoaspis decorosa Luyanhaoaspis decorosa trilobite
Lichida - Damesellidae	Teinistion posterocostum, Palaeadotes hunanensis, Protaitzehoia sp., Protaitzehoia granifera, Paradamesella typica Teinistion posterocostum Yang 1977 trilobite Palaeadotes hunanensis Yang 1977 trilobite Protaitzehoia sp. Yang 1978 trilobite Protaitzehoia granifera Yang 1978 trilobite Paradamesella typica Yang 1977 trilobite