Jijiapo, bed 7 (Cambrian of China)

Where: Hubei, China (30.7° N, 111.0° E: paleocoordinates 28.0° N, 161.0° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Yanjiahe Formation, Meishucunian (530.7 - 521.0 Ma)

• bed 7, 2.7 m thick; Anabarites trisulcatus-Protohertzina anabarica assemblage

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified dolomite

• local depression in a shallow carbonate platform (Guo 2008)
• siliceous-phosphatic-intraclastic dolostone

Size class: macrofossils

Preservation: adpression

Primary reference: P. Chen. 1984. Discovery of Lower Cambrian small shelly fossils from Jijiapo, Yichang, west Hubei and its significance. Professional Papers of Stratigraphy and Palaeontology 13:49-64 [P. Wagner/P. Wagner/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 106525: authorized by Wolfgang Kiessling, entered by Uta Merkel on 24.03.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Hyolitha
 Orthothecida -
Turcutheca lubrica, Turcutheca crasseocochlia, Lophotheca costellata
 Orthothecida - Circothecidae
"Circotheca longiconica" = Conotheca subcurvata, "Circotheca nana" = Conotheca subcurvata, Circotheca transulcata
"Circotheca longiconica" = Conotheca subcurvata Yü 1974
"Circotheca nana" = Conotheca subcurvata Yü 1974
Tergomya
 Scenelloidea - Scenellidae
Scenella jijiapoensis n. sp.
Scenella jijiapoensis n. sp. Chen 1984
Helcionelloida
 Helcionellida - Coreospiridae
"Archaeospira sp." = Latouchella
"Archaeospira sp." = Latouchella Cobbold 1921
 Helcionellida - Helcionellidae
Obtusoconus paucicostatus, "Maidipingoconus maidipingensis" = Oelandiella maidipingensis, Sacciconus yanjiaheensis n. sp.
"Maidipingoconus maidipingensis" = Oelandiella maidipingensis Yü 1974
Sacciconus yanjiaheensis n. sp. Chen 1984
 Pelagiellida - Aldanellidae
"Aldanella yangjiaheensis n. sp." = Aldanella attleborensis
"Aldanella yangjiaheensis n. sp." = Aldanella attleborensis Shaler and Foerste 1888
  - Ceratoconidae
Ceratoconus bucerus n. sp.
Ceratoconus bucerus n. sp. Chen 1984
Scyphozoa
 Anabaritida - Anabaritidae
"Tiksitheca korobovi" = Anabarites korobovi, "Anabarites gracilis n. sp." = Anabarites tristichus, Anabarites trisulcatus, Cambrotubulus decurvatus
"Tiksitheca korobovi" = Anabarites korobovi Rozanov and Missarzhevsky 1966 jellyfish
"Anabarites gracilis n. sp." = Anabarites tristichus Rozanov et al. 1969 jellyfish
Anabarites trisulcatus Voronova and Missarzhevsky 1969 jellyfish
Cambrotubulus decurvatus Rozanov et al. 1969 jellyfish
 Hyolithelminthida - Hyolithellidae
Hyolithellus decorus n. sp., Hyolithellus tenuis
Hyolithellus decorus n. sp. Chen 1984
Hyolithellus tenuis Rozanov and Missarzhevsky 1966