Xuanjiangping section [Guojiaba Fm] (Cambrian of China)

Where: Shaanxi, China (36.9° N, 109.3° E: paleocoordinates 3.6° S, 144.4° E)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Guojiaba Formation, Atdabanian (521.0 - 516.0 Ma)

• AGE: Atdabanian; refined by A. Hendy (6/2009) on the basis of biostratigraphic data.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary, intraclastic limestone

• specimens are from a calcareous horizon (thin limestone overlying beds with calcareous concretions)

Preservation: trace

Collection methods: The specimens were collected during a Royal Society-Academia Sinica Exchange Scheme in 1986.

Primary reference: S. Conway Morris and M. Chen. 1991. Cambroclaves and paracarinachitids, early skeletal problematica from the Lower Cambrian of South China. Palaeontology 34(2):357-397 [M. Patzkowsky/P. Borkow/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 8091: authorized by Mark Patzkowsky, entered by Phil Borkow on 19.06.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• The taxonomic list does not include unidentified bradoriids, unidentified tubes, and other problematica which were not listed as actually being collected, only observed.
Show authors, comments, and common names
unclassified
  -
Deiradoclavus trigonus n. gen. n. sp.
Deiradoclavus trigonus n. gen. n. sp.
Helcionelloida
 Pelagiellida - Pelagiellidae
Pelagiella sp.
Pelagiella sp. Matthew 1895
Hyolitha
 Orthothecida -
"Actinotheca sp." = Cupitheca
"Actinotheca sp." = Cupitheca Duan 1984
Brachiopoda
 Tommotiida - Tannuolinidae
Tannuolina zhangwentangi
Tannuolina zhangwentangi Qian and Bengtson 1989