PBDB Collection

Paibi section, bed 30a: Guzhangian, China

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

unclassified

	Huayuanella sp.	Peng et al. 2004
Agnostida - Ammagnostidae

	Proagnostus bulbus Butts 1926

	? Ammagnostus cryptus Peng and Robison 2000
Agnostida - Diplagnostidae

	Nahannagnostus nganasanicus (Rozova 1964)

	Linguagnostus reconditus Poletaeva and Romanenko 1970
Agnostida - Agnostidae

	Hadragnostus modestus (Lochman 1944)

	Kormagnostus minutus (Schrank 1975)
Trilobita - Ptychopariida - Lisaniidae

	Baojingia subquadrata	Peng et al. 2004
	synonym of Eoshengia
Trilobita - Ptychopariida - Lonchocephalidae

	Neoglaphyraspis nitida Yuan and Yin 1998	Peng et al. 2004
Trilobita - Ptychopariida - Diceratocephalidae

	Fenghuangella laochatianensis Yang 1977	Peng et al. 2004
Trilobita - Ptychopariida - Catillicephalidae

	Buttsia globosa Lu and Lin 1987	Peng et al. 2004

	Paradistazeris hunanensis	Peng et al. 2004
	synonym of Agelagma
Trilobita - Ptychopariida - Solenopleuridae

	Huzhuia paratypica Yang 1978	Peng et al. 2004
Trilobita - Asaphida - Ceratopygidae

	Proceratopyge fuyangensis Lu and Lin 1987	Peng et al. 2004
Trilobita - Asaphida - Rhyssometopidae

	Qiandongaspis sinensis	Peng et al. 2004
Trilobita - Asaphida - Anomocarellidae

	Neoanomocarella asiatica Hsiang 1963	Peng et al. 2004
Trilobita - Monkaspididae

	Monkaspis quadrata (Yang 1977)	Peng et al. 2004
Trilobita - Lichida - Damesellidae

	Parablackwelderia jimaensis (Yang 1974)	Peng et al. 2004

	Palaeadotes hunanensis (Yang 1977)	Peng et al. 2004

	Paradamesella peculiaris Zhou 1977	Peng et al. 2004

	Protaitzehoia granifera Yang 1978	Peng et al. 2004

	Protaitzehoia subquadrata Peng 1987	Peng et al. 2004

	Taihangshania wangcunensis Peng et al. 2004	Peng et al. 2004
	recombined as Taihangshaniashania wangcunensis

	? Damesella sp. Walcott 1905	Peng et al. 2004
Trilobita - Harpetida - Entomaspididae

	Baikadamaspis linearis	Peng et al. 2004

	Baikadamaspis cf. granulosa	Peng et al. 2004
Trilobita - Corynexochida - Dolichometopidae

	Fuchouia oratolimba Yang 1977	Peng et al. 2004
Trilobita - Corynexochida - Leiostegiidae

	Meropalla bella Yuan and Yin 1998	Peng et al. 2004

	Wanshania wanshanensis Rong and Yang 1977	Peng et al. 2004
Trilobita - Corynexochida - Dorypygidae

	Dorypyge perconvexalis Yang 1977	Peng et al. 2004
Trilobita - Corynexochida - Corynexochidae

	Chatiania convexa Peng et al. 2004	Peng et al. 2004

	Chatiania expansa (Yuan and Yin 1998)	Peng et al. 2004
Trilobita - Olenida - Asaphiscidae

	Luyanhaoaspis decorosa	Peng et al. 2004

	Luyanhaoaspis cf. inflata	Peng et al. 2004

	Iniotoma porosus	Peng et al. 2004
Trilobita - Olenida - Pterocephaliidae

	Yangweizhouia carinata Yuan and Yin 1998	Peng et al. 2004
see common names

Geography

Country:	China	State/province:	Hunan
Coordinates:	28.4° North, 109.5° East (view map)
Paleocoordinates:	24.0° North, 150.8° East
Basis of coordinate:	based on nearby landmark
Geographic resolution:	small collection

Time

Period:	Cambrian	Epoch:	Miaolingian
Stage:	Guzhangian	10 m.y. bin:	Cambrian 4
Key time interval:	Guzhangian	Trilobite zone:	Linguagnostus reconditus
Age range of interval:	500.50000 - 497.00000 m.y. ago

Stratigraphy

Formation:	Huaqiao
Local section:	Paibi	Local bed:	30a
Local order:	bottom to top
Stratigraphic resolution:	bed
Stratigraphy comments: bed 30a (lower bed 30): 298.1-308 m, Wanshania wanshanensis polymerid trilobite zone, Youshuian, Upper Guzhangian

Lithology and environment

Primary lithology:	lithified packstone
Secondary lithology:	dolomitic lithified grainstone
Lithology description: 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
Environment:	slope
Geology comments: Jiangnan Slope Belt, lower slope environments with sediment-gravity flows

Taphonomy

Modes of preservation:	body
Size of fossils:	macrofossils
Preservation of anatomical detail:	good

Collection methods and comments

Collection methods:	field collection
Reason for describing collection:	taxonomic analysis

Metadata

Database number:	49181
Authorizer:	A. Hendy, W. Kiessling	Enterer:	A. Hendy, U. Merkel
Modifier:	U. Merkel	Research group:	marine invertebrate
Created:	2005-04-10 19:58:58	Last modified:	2013-11-25 13:37:23
Access level:	authorizer only	Released:	2008-04-10 19:58:58
Creative Commons license:	CC BY

Reference information

Primary reference:

13139.

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]

Secondary references:

35679		S. Peng, L. E. Babcock, and H. Lin. 2001. Illustrations of polymeroid trilobites from the Huaqiao Formation (Middle-Upper Cambrian), Paibi and Wangcun sections, northwestern Hunan, China. Palaeoworld 13:99-122 [W. Kiessling/U. Merkel]
40918		S. Peng, L. E. Babcock, and H. Lin. 2004. Corynexochida, Lichida and Asaphida. Polymerid trilobites from the Cambrian of northwestern Hunan, China, Volume 1 1-333 [W. Kiessling/U. Merkel/M. Uhen]