Where: Guangxi, China (23.8° N, 108.9° E: paleocoordinates 1.5° N, 100.3° E)
• coordinate stated in text
• small collection-level geographic resolution
When: Heshan Formation, Wuchiapingian (259.9 - 254.2 Ma)
• Probably slightly above Matan 3 in section.
• bed-level stratigraphic resolution
Environment/lithology: offshore shelf; shelly/skeletal, gray, silty, cherty/siliceous wackestone
Size class: macrofossils
Preservation: replaced with silica
Collection methods: bulk, chemical, hydrochloric,
Primary reference: M. E. Clapham and D. J. Bottjer. 2007. Permian marine paleoecology and its implications for large-scale decoupling of brachiopod and bivalve abundance and diversity during the Lopingian (Late Permian). Palaeogeography, Palaeoclimatology, Palaeoecology 249:283-301 [D. Bottjer/M. Clapham/M. Clapham]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 50026: authorized by David Bottjer, entered by Matthew Clapham on 04.05.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhodophyceae | |
Permocalculus sp. Elliott 1955 | |
Crinoidea | |
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Echinoidea | |
| |
Gastropoda | |
Glabrocingulum sp. Thomas 1940 snail
Ananias sp. Knight 1945 snail
"Zhonghuaspira sp." = Guizhouspira Wang 1980 snail | |
Manzanospira sp. Batten 1989 snail | |
Soleniscus sp. Meek and Worthen 1860 snail
Strobeus sp. de Koninck 1881 snail | |
Bellerophon sp. de Montfort 1808 snail | |
Palaeostylus sp. Mansuy 1914 snail | |
Orthonema sp. Meek and Worthen 1862 snail | |
cf. Goniasma sp. Tomlin 1930 snail | |
Streptacis sp. Meek 1871 snail | |
Bivalvia | |
Nuculopsis sp. Girty 1912 nut clam | |
Promytilus sp. Newell 1942 mussel | |
Ensipteria sp. Nakazawa and Newell 1968 oyster | |
Grammatodon sp. Meek and Hayden 1860 clam | |
Pyramus sp. Dana 1847 clam | |
Edmondia sp. de Koninck 1841 clam | |
Stutchburia sp. Etheridge 1900 clam
Gujocardita sp. Nakazawa and Newell 1968 clam
Permophorus sp. Chavan 1954 clam | |
Sanguinolites sp. M'Coy 1844 clam | |
Schizodus sp. King 1844 clam | |
Scaphopoda | |
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Cephalopoda | |
Lopingoceras sp. Shimanskiy 1962 | |
? Nautiloidea indet. Agassiz 1847 nautiloid | |
Rhynchonellata | |
Araxathyris sp. Grunt 1965 | |
Dielasma sp. Beede and Rogers 1900 | |
Phricodothyris sp. George 1932 | |
Strophomenata | |
Streptorhynchus sp. King 1850 | |
Spinomarginifera sp. Huang 1932 | |
Demospongiae | |
Cystothalamia sp. Girty 1909 demosponge |