Shankou, Anning [Maotianshan Shale Mbr, Yuanshan Fm] (Cambrian of China)

Also known as Shankou biota; Chengjiang biota

Where: Yunnan, China (24.8° N, 102.4° E: paleocoordinates 35.2° N, 161.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Maotianshan Shale Member (Yuanshan Formation), Atdabanian (521.0 - 516.0 Ma)

• LITHOSTRATIGRAPHY: From the Maotianshan Shale Mbr of the Yuanshan Fm. AGE: Qiongzhusian in Steiner (2005); correlates to Atdabanian (Steiner, 2007). STRATIGRAPHIC POSITION: From a 10 m thick succession at the base of the Maotianshan Shale.

• group of beds-level stratigraphic resolution

Environment/lithology: delta front; lithified, black, brown, green, carbonaceous mudstone and lithified, black sandstone

• ENVIRONMENT: Shallow marine delta front setting in a shallow bay.
• LITHOLOGY: Fine laminated mudstone intercalated with non-fossiliferous sandstone bed; black in color, weathering to tan; organic rich. LITHIFICATION: Lithified, on the basis of figures.

Size class: macrofossils

Preservation: adpression, soft parts

Collection methods: bulk,

• COLLECTOR: Multiple collectors. REPOSITORY: Early Life Research Center (ELRC), Chengjiang.

Primary reference: S. Q. Dornbos and J.-Y. Chen. 2008. Community palaeoecology of the early Cambrian Maotianshan Shale biota: Ecological dominance of priapulid worms. Palaeogeography, Palaeoclimatology, Palaeoecology 258:200-212 [A. Hendy/A. Hendy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 86929: authorized by Austin Hendy, entered by Austin Hendy on 24.02.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for all groups; abundance only for organisms already considered to be in the life assemblage at the time of deposition. NOMENCLATURE: From a combination of authoritative and review publications, with modern nomenclature, but with only-resolution identifications.
Show authors, comments, and common names
unclassified
  -
Microdicyton sp., Acanthomeridion sp., Yunnanopriapulis sp., Jiangfengia sp., Archaeogolfingia sp.
Scleroctenophora
  -
Batofasciculus sp.
Batofasciculus sp. Hou et al. 1999
Hexactinellida
 Reticulosa - Protospongiidae
Saetaspongia sp.
Saetaspongia sp. Mehl and Reitner 1993 glass sponge
Demospongiae
 Protomonaxonida - Hazeliidae
Hazelia sp., Crumillospongia sp.
Hazelia sp. Walcott 1920 demosponge
Crumillospongia sp. Rigby 1986 demosponge
 Protomonaxonida - Choiidae
Choia sp.
Choia sp. Walcott 1920 demosponge
 Protomonaxonida - Leptomitidae
Leptomitella sp., Leptomitus sp., Paraleptomitella sp.
Leptomitella sp. Rigby 1986 demosponge
Leptomitus sp. Walcott 1886 demosponge
Paraleptomitella sp. Chen et al. 1989 demosponge
Nectocaris pteryx
  - Nectocarididae
"Vetustovermis planus" = Nectocaris pteryx
"Vetustovermis planus" = Nectocaris pteryx Conway Morris 1976
apparently does not include the type of Petalium latus, which is from Ercai
Dinomischus
  -
Dinomischus sp.
Dinomischus sp. Conway Morris 1977
Parvulonoda
  -
Parvulonoda sp.
Parvulonoda sp. Rigby and Hou 1995
Coeloscleritophora
 Chancelloriida - Chancelloriidae
Allonnia sp.
Allonnia sp. Doré and Reid 1965
Shankouclava
  -
Shankouclava sp.
Shankouclava sp. Chen et al. 2003
 Bilateria - Eldoniidae
Eldonia sp.
Eldonia sp. Walcott 1911
Vetulicolida
  - Vetulicolidae
Vetulicola sp.
Vetulicola sp. Hou 1987
Hyolitha
 Hyolithida - Sulcavitidae
Ambrolinevitus sp.
Ambrolinevitus sp. Syssoiev 1958
Chileata
  -
Longtancunella sp.
Longtancunella sp. Hou et al. 1999
Lingulata
 Lingulida - Obolidae
Lingulella sp.
Lingulella sp. Salter 1866
 Lingulida - Botsfordiidae
Diandongia sp.
Diandongia sp. Rong 1974
 Discinida - Disciniidae
Heliomedusa sp.
Heliomedusa sp. Sun and Hou 1987
unclassified
  -
Priapulida indet.
Priapulida indet. Théel 1906
Acosmia
  -
Acosmia sp.
Acosmia sp. Chen and Zhou 1997
Sicyophorus
  -
Sicyophorus sp.
Corynetis
  -
"Corynetis sp." = Corynetis, "Anningvermis sp." = Corynetis
"Corynetis sp." = Corynetis Luo and Hu 1999
"Anningvermis sp." = Corynetis Luo and Hu 1999
Paraselkirkia
  -
Paraselkirkia sp.
Paraselkirkia sp. Luo and Hu 1999
 Palaeoscolecidomorpha -
Maotianshania sp.
Maotianshania sp. Sun and Huo 1987
 Palaeoscolecidomorpha - Cricocosmiidae
Cricocosmia sp.
Palaeoscolecida
 Cricocosmida - Palaeoscolecidae
Palaeoscolex sp.
Palaeoscolex sp. Whittard 1953
 Archaeopriapulida - Ottoidae
Banffia sp.
Banffia sp. Walcott 1911
 Bradoriida -
Kunmingella sp.
Kunmingella sp. Huo 1956
 Parvancorinomorpha - Parvancorinidae
Primicaris sp.
Primicaris sp. Zhang et al. 2003
Shankouia
  -
Shankouia sp.
Shankouia sp. Waloszek et al. 2005
Artiopoda
 Aglaspidida - Strabopidae
Parapaleomerus sp.
Parapaleomerus sp. Hou et al 1999
Trilobita
 Redlichiida - Redlichiidae
Eoredlichia sp.
Eoredlichia sp. Chang 1950 trilobite
 Redlichiida - Yunnanocephalidae
Yunnanocephalus sp.
Yunnanocephalus sp. Kobayashi 1936 trilobite
Artiopoda
  -
Retifacies sp.
Retifacies sp. Hou et al. 1989
 Conciliterga -
Saperion sp., Kuamaia sp.
Saperion sp. Hou et al. 1991
Kuamaia sp. Hou 1987
 Nektaspidida - Naraoiidae
Naraoia sp.
Naraoia sp. Walcott 1912
 Nektaspidida -
Cindarella sp., Xandarella sp.
Cindarella sp. Chen et al. 1996
Xandarella sp. Hou et al. 1991
 Radiodonta - Amplectobeluidae
Amplectobelua sp.
Amplectobelua sp. Hou et al. 1995
Crustacea
 Waptiida - Waptiidae
Waptia sp.
Waptia sp. Walcott 1912
Deuteropoda
 Hymenostraca -
Branchiocaris sp.
Branchiocaris sp. Briggs 1976
 Mollisoniida -
Urokodia sp.
Deuteropoda
 Isoxyida - Isoxyidae
Isoxys sp.
Isoxys sp. Walcott 1890
Megacheira
 Fortiforcipida - Fortiforcipidae
Fortiforceps sp.
Fortiforceps sp. Hou and Bergström 1997
 Leanchoiliida - Leanchoiliidae
Leanchoilia sp.
Leanchoilia sp. Walcott 1912
Deuteropoda
 Fuxianhuiida - Fuxianhuiidae
Fuxianhuia sp.
Fuxianhuia sp. Hou 1987
Paucipodia
  -
Paucipodia sp.
 Hallucishaniids -
Hallucigenia sp.
Hallucigenia sp. Conway Morris 1977
Cardiodictyon
  -
Cardiodictyon sp.