Where: Guangxi, China (23.8° N, 108.9° E: paleocoordinates 5.3° N, 99.3° E)
• coordinate stated in text
• small collection-level geographic resolution
When: Heshan Formation, Changhsingian (254.2 - 252.2 Ma)
• bed-level stratigraphic resolution
Environment/lithology: open shallow subtidal; shelly/skeletal, gray, silty, cherty/siliceous bafflestone
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 50024: authorized by David Bottjer, entered by Matthew Clapham on 04.05.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Nautiloidea indet. Agassiz 1847 nautiloid | |
Gastropoda | |
| |
Naticopsis sp. M'Coy 1844 snail | |
Palaeostylus sp. Mansuy 1914 snail | |
Meekospira sp. Ulrich and Scofield 1897 snail | |
Platyzona sp. Knight 1945 snail | |
Anomphalus sp. Meek and Worthen 1866 snail | |
"Pleurotomariacea indet." = Pleurotomarioidea
"Pleurotomariacea indet." = Pleurotomarioidea Swainson 1840 snail | |
Warthia sp. Waagen 1880 snail | |
Trachydomia sp. Meek and Worthen 1866 snail
Trachyspira sp. Gemmellaro 1889 snail | |
Manzanospira sp. Batten 1989 snail | |
Callitomaria sp. Batten 1956 snail | |
Porcellia sp. Léveillé 1835 snail | |
Soleniscus sp. Meek and Worthen 1860 snail | |
Bivalvia | |
Girtypecten sp. Newell 1938 scallop | |
Grammatodon sp. Meek and Hayden 1860 clam | |
Rhynchonellata | |
Araxathyris sp. Grunt 1965 | |
Paraspiriferina sp. Reed 1944 | |
Crurithyris sp. George 1931 | |
Phricodothyris sp. George 1932 | |
Acosarina sp. Cooper and Grant 1969 | |
Prelissorhynchia sp. Xu and Grant 1994 | |
Notothyris sp. Waagen 1882 | |
Dielasma sp. King 1856 | |
Strophomenata | |
Costisteges dongluoensis Liao 1982 | |
Spinomarginifera sp. Huang 1932 | |
Derbyia sp. Waagen 1884 | |
Streptorhynchus sp. King 1850 | |
Hydrozoa | |
| |
Demospongiae | |
Cystothalamia sp. Girty 1908 demosponge | |
Sollasia sp. Steinmann 1882 demosponge | |
Chlorophyceae | |
| |
Foraminifera | |