Also known as ?=Bed 7 of Qian & Bengston, ?= Mb7 of Vendrasco et al.
Where: Yunnan, China (24.7° N, 102.6° E)
• Paleocoordinates: 10.2° N, 68.5° E (Wright 2013)
• coordinate stated in text
• local area-level geographic resolution
When: Paragloborilus subglobosus - Purella squamulosa small shelly zone, Zhongyicun Member (Zhujianqing Formation), Tommotian (525.5 - 521.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: lithified, phosphatic, brown, gray dolomite and phosphorite
•Grey phosphorite containing galuconitic intraclasts of oolitic and dolomitic silty phosphorite, with 1-2 cm thick layer of yellow phosphatic claystone at top and bottom (Qian & Bengston).
Size classes: mesofossils, microfossils
Preservation: cast
Collected by Parkhaev & Demidenko in 2005; reposited in the PIN
Primary reference: P. Y. Parkhaev and Y. Demidenko. 2010. Zooproblematica and mollusca from the Lower Cambrian Meishucun section (Yunnan, China) and taxonomy and systematics of the Cambrian small shelly fossils of China. Paleontological Journal 44(8):883-1161 [P. Wagner/P. Wagner]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 171902: authorized by Pete Wagner, entered by Pete Wagner on 22.07.2015
Creative Commons license: CC0 (CC0)
Taxonomic list
Yunnanopleura accurata | |
"Yunnanopleura biformis" = Yunnanopleura accurata
"Yunnanopleura biformis" = Yunnanopleura accurata Bokova 1985 | |
Purella | |
Purella arcana Val'kov 1987 | |
Canopoconus | |
Canopoconus superatus Feng et al. 2001 | |
Xiadongoconus luminosus | |
Xiadongoconus luminosus Yü 1979 | |
Helcionelloida | |
Absidaticonus ovatus, "Igorella emeiensis" = Securiconus emeiensis, "Bemella simplex" = Securiconus simplex, Aegitellus placus, "Igorella maidipingensis" = Oelandiella maidipingensis, "Latouchella korobkovi" = Oelandiella korobkovi, Emarginoconus mirus
Absidaticonus ovatus He and Yang 1982
"Igorella emeiensis" = Securiconus emeiensis Yü 1979
"Bemella simplex" = Securiconus simplex Yü 1979
Aegitellus placus Luo et al. 1982
"Igorella maidipingensis" = Oelandiella maidipingensis Yü 1974
"Latouchella korobkovi" = Oelandiella korobkovi Vostokova 1962
Emarginoconus mirus Yü 1979 | |
Aculifera | |
Ocruranus trulliformis, "Eohalobia diandongensis" = Ocruranus finial, Halkieria undulata, Halkieria sacciformis, Halkieria sthenobasis, Halkieria wangi
Ocruranus trulliformis Jiang 1980
"Eohalobia diandongensis" = Ocruranus finial Liu 1979
Halkieria sacciformis Meshkova 1969
Halkieria sthenobasis Luo and Jiang 1982
Halkieria wangi Parkhaev and Demidenko 2010 | |
Siphogonuchitidae "gen. et. sp. indet", Siphogonuchites triangularis, Drepanochites dilatatus, Lopochites latazonalis, Dabashanites mirus, Lomasulcachites macrus
Siphogonuchitidae "gen. et. sp. indet" Qian 1977
Siphogonuchites triangularis Qian 1977
Drepanochites dilatatus Luo et al. 1982
Lopochites latazonalis Qian 1977
Dabashanites mirus Chen 1979
Lomasulcachites macrus Luo et al. 1982 | |
Hyolitha | |
Paragloborilus subglobosus Qian 1977 | |
Conotheca subcurvata Yü 1974 | |
Cupittheca mira He 1977 | |
Protoconodonta | |
Protohertzina unguliformis Missarzhevsky 1973
Mongolodus sulcus Parkhaev and Demidenko 2010 | |
Scyphozoa | |
"Quadrosiphogonuchites curvatornatus" = Carinachites curvatornatus
"Quadrosiphogonuchites curvatornatus" = Carinachites curvatornatus Chen 1982 jellyfish | |
Cambroclavida | |
Zhijinites longistriatus Qian 1978
Paracarinachites sinensis Luo et al. 1982 | |
Cyrtochites | |
Cyrtochites pinnoides Qian 1984 | |
Archaeooides granulatus | |
Archaeooides granulatus Qian 1977 | |
Pteromidae | |
Brushenodus prionodes Luo and Jiang 1982 | |
Pteromus rapius | |
Pteromus rapius Wang 1994 | |
Pteromus jungus | |
Pteromus jungus Wang 1994 | |
Pteromidae | |
Scoponodus renustus Luo and Jiang 1982 | |
Coeloscleritophora | |
Chancelloria symmetrica Vassiljeva 1985 | |
Archaeopetasus | |
Annelitellus yangtzensis Qian 1989 | |
Oscillatoriacea | |
Trifistulella tortilis Parkhaev and Demidenko 2010 |