YaoMoShan Fm., DongDaYao and YuMen Cities, GanSu Prov., China (Ordovician of China)
Where: GanSu, China (40.0° N, 99.0° E: paleocoordinates 26.9° S, 114.8° E)
• local area-level geographic resolution
When: Yaomoshan Formation, Caradoc (458.4 - 449.5 Ma)
• formation-level stratigraphic resolution
Environment/lithology: marine; lithified, black, gray limestone
• dark gray to black limestone
Primary reference: Stratigraphic Group of Quing Hai Province. 1980. Regional stratigraphic tables of the north western China region: Volume of NinXia Province. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 8565: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 02.08.2000
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
Pterobranchia | |
Glyptograptus sp. graptolite | |
Amplexograptus sp. graptolite | |
Climacograptus sp. Hall 1865 climacograptid | |
Dicranograptus sp. Hall 1865 graptolite
Dicellograptus sp. Hopkinson 1871 graptolite | |
Callograptus sp. graptolite | |
Bivalvia | |
Cyrtodonta sp. Billings 1858 clam | |
Lingulata | |
Orbiculoidea sp. d'Orbigny 1847 | |
Strophomenata | |
Strophomena sp. Rafinesque and De Blainville 1824 | |
Leptaena sp. Dalman 1828 | |
Leptelloidea sp. Jones 1928 | |
Clitambonites sp. Pander 1830 | |
Stenolaemata | |
Monotrypa sp. Nicholson 1879 | |
Lichenalia sp. Hall 1851 | |
Trilobita | |
Toernquistia sp. Reed 1896 trilobite | |
Illaenus sp. Dalman 1827 trilobite | |
Amphilichas sp. Raymond 1905 trilobite | |
Ampyx sp. Dalman 1827 trilobite | |
Remopleurides sp. Portlock 1843 trilobite | |
Isoteloides sp. Raymond 1910 trilobite
Megistaspis sp. Jaanusson 1956 trilobite
Pseudobasilicus sp. Reed 1930 trilobite | |
Pliomerina sp. Chugaeva 1956 trilobite | |
Oedicybele sp. Whittington 1938 trilobite | |
Demospongiae | |
? Amsassia sp. Sokolov and Mironova 1959 chaetetid sponge |