Where: Hubei, China (30.9° N, 111.4° E: paleocoordinates 16.6° N, 143.5° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Fenxiang Formation, Tremadocian (485.4 - 477.7 Ma)
• 25.62 m above the base
• bed-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified limestone
Size class: macrofossils
Collection methods: peel or thin section,
Primary reference: F. S. Xia, S. G. Zhang, and Z. Z. Wang. 2007. The oldest bryozoans: new evidence from the Late Tremadocian (Early Ordovician) of East Yangtze Gorges in China. Journal of Paleontology 81(6):1308-1326 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 99748: authorized by Wolfgang Kiessling, entered by Uta Merkel on 20.11.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Stenolaemata | |
Orbiramus normalis n. gen. n. sp., Orbiramus ovalis n. sp.
Orbiramus normalis n. gen. n. sp. Xia et al. 2007
Orbiramus ovalis n. sp. Xia et al. 2007 |