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
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 | |
"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 | |