Where: Hong Kong (22.4° N, 114.3° E: paleocoordinates 32.3° N, 119.8° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Tolo Channel Formation, Early/Lower Sinemurian (196.5 - 189.6 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, black, gray mudstone
Size class: macrofossils
Preservation: mold/impression
Collected by C.M. Lee in 1980-1984
• Repository: not stated
Primary reference: C. M. Lee. 1984. Lower Jurassic fossil assemblages at Sham Chung, New Territories, Hong Kong. Geological Society of Hong Kong Newsletter 2(6):1-5 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 137807: authorized by Matthew Clapham, entered by Matthew Clapham on 20.12.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Cycadopsida | |
"Nilssonia sp." = Nilsonia
"Nilssonia sp." = Nilsonia Brongniart 1825 cycads | |
Peltaspermopsida | |
"? Glossophyllum sp." = Arberophyllum
"? Glossophyllum sp." = Arberophyllum Doweld 2000 | |
Gastropoda | |
"Amberleyidae indet." = Eucyclidae
"Amberleyidae indet." = Eucyclidae Koken 1896 snail | |
Bivalvia | |
Cardinia cf. hybrida Sowerby 1817 clam
Cardinia cf. toriyamai Hayami 1958 clam | |
Hiatella curta Chen 1982 clam | |
Mytilus lamellosus Terquem 1855 mussel | |
Oxytoma bifurcata Fan 1963 scallop | |
"Chlamys subulata" = Camptonectes subulatus
"Chlamys subulata" = Camptonectes subulatus Goldfuss 1834 scallop | |
Isognomon sp. Lightfoot 1786 oyster | |
"Parainoceramus sp." = Kolymia
"Parainoceramus sp." = Kolymia clam | |
Cephalopoda | |
Phylloceras sp. Suess 1865 ammonite | |
Arietites cf. semicostatus, Arietites semicostatus, Coroniceras spp., Coroniceras rotiforme, Arnioceras sp., Agassiceras sp.
Arietites cf. semicostatus Young and Bird 1828 ammonite
Arietites semicostatus Young and Bird 1828 ammonite
Coroniceras spp. Hyatt 1867 ammonite
Coroniceras rotiforme Sowerby 1824 ammonite
Arnioceras sp. Hyatt 1867 ammonite
Agassiceras sp. Hyatt 1874 ammonite | |
Echioceras sp. Bayle 1878 ammonite | |
Asteroceras sp. Hyatt 1867 ammonite | |
Crinoidea | |
Pentacrinus cf. shahuensis Shao 1960 Sea lily |