Hujintan, upper bed (Cambrian of China)

Where: Hubei, China (30.8° N, 111.2° E: paleocoordinates 27.9° N, 160.9° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• upper beds 2-5, 3.45 m thick, Palaeosulcachites-Lenatheca-Zhijinites-Heraultipegma-Sachites-Zeugites assemblage, also known as Tianzhushan Formation

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, sandy phosphorite

• dark-gray or black sandy siliceous phosphorite

Size class: macrofossils

Primary reference: Y. Qian, M. Chen, and Y. Y. Chen. 1979. Hyolithids and other small shelly fossils from the Lower Cambrian Huangshandong Formation in the eastern part of the Yangtze Gorge. Acta Palaeontologica Sinica 18(3):207-230 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 107666: authorized by Wolfgang Kiessling, entered by Uta Merkel on 12.04.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Hyolitha
 Orthothecida - Circothecidae
"Circotheca subcurvata" = Conotheca subcurvata, "Circotheca obesa" = Conotheca subcurvata, "Circotheca nana" = Conotheca subcurvata, "Circotheca longiconica" = Conotheca subcurvata
"Circotheca subcurvata" = Conotheca subcurvata Yü 1974
"Circotheca obesa" = Conotheca subcurvata Yü 1974
"Circotheca nana" = Conotheca subcurvata Yü 1974
"Circotheca longiconica" = Conotheca subcurvata Yü 1974
 Orthothecida -
 Hyolithelminthida - Hyolithellidae