Kunming, Yu'anshan Formation, 0–5 cm above the seafloor (Cambrian of China)
Where: Yunnan, China (24.9° N, 102.8° E: paleocoordinates 36.5° N, 162.5° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Yu'anshan Formation, Early/Lower Cambrian (538.8 - 509.0 Ma)
Environment/lithology: offshore; silty mudstone and mudstone
• mudstone and silty mudstone of the Yu'anshan Formation's Lithofacies 2 and 3,which represent deposits during the early stages of the regressive phase in a proximal offshore to lower shoreface environment
Size class: microfossils
Primary reference: W. Wu, M. Zhu, and M. Steiner. 2014. Composition and tiering of the Cambrian sponge communities. Palaeogeography, Palaeoclimatology, Palaeoecology 398:86-96 [W. Kiessling/M. Krause]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 156226: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 13.05.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Hexactinellida | |
|
Valospongia cf. gigantis glass sponge | |
Quadrolaminiella crassa, Quadrolaminiella diagonalis, Triticispongia diagonata, Protospongia sp., Saetaspongia densa
Quadrolaminiella crassa Chen et al. 1990 glass sponge
Quadrolaminiella diagonalis Chen et al. 1990 glass sponge
Triticispongia diagonata Steiner et al. 1993 glass sponge
Protospongia sp. Salter 1864 glass sponge
Saetaspongia densa Mehl and Reitner 1993 glass sponge | |
|
Hyalosinica sp. Steiner et al. 1993 glass sponge | |
| Demospongiae | |
|
Ischnspongia dendritica Wu et al. 2014 demosponge
Ptilispongia maotianshanensis n. sp. Wu et al. 2014 demosponge | |
"Cystospongia globosa" = Imbricatocoelia
"Cystospongia globosa" = Imbricatocoelia demosponge | |
Choiaella radiatia, Choiaella cf. radiatia, Choia ridley, Choia carteri, Choia cf. utahensis, Choia hindei, Allantospongia mica
Choiaella radiatia demosponge
Choiaella cf. radiatia demosponge
Choia ridley demosponge
Choia carteri Walcott 1920 demosponge
Choia cf. utahensis Walcott 1920 demosponge
Choia hindei Dawson 1896 demosponge
Allantospongia mica Rigby and Hou 1995 demosponge | |
|
Wapkia grandis Walcott 1920 demosponge | |
|
Halichondrites cf. elissa Walcott 1920 demosponge | |
|
Hamptonia chengjiangensis Wu et al. 2014 demosponge | |
Leptomitus teretiusculus, Paraleptomitella globula, Paraleptomitella dictyodroma, Leptomitella confusa, Leptomitella conica
Leptomitus teretiusculus Chen et al. 1989 demosponge
Paraleptomitella globula Chen et al. 1989 demosponge
Paraleptomitella dictyodroma Chen et al. 1989 demosponge
Leptomitella confusa Chen et al. 1989 demosponge
Leptomitella conica Chen et al. 1989 demosponge | |