Where: South Korea (37.3° N, 128.4° E)
• Paleocoordinates: 16.0° N, 92.8° E (Wright 2013)
• coordinate stated in text
• small collection-level geographic resolution
When: Eochuangia hana trilobite zone, Machari Formation (Yongwol Group), Taoyuanian (495.2 - 486.9 Ma)
• bed-level stratigraphic resolution
Environment/lithology: deep subtidal; lithified shale
Size class: macrofossils
Preservation: cast
Primary reference: D. K. Choi, J. G. Lee, and B. C. Sheen. 2004. Upper Cambrian agnostoid trilobites from the Machari Formation,Yongwol, Korea. Geobios 37:159-189 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 133453: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.09.2012
Creative Commons license: CC0 (CC0)
Taxonomic list
| Artiopoda | |
Ivshinagnostus alatus, Homagnostus obesus, ? Homagnostus sulcatus, Micragnostus elongatus, Kormagnostus inventus, "Pseudorhaptagnostus tumidus" = Neoagnostus tumidus
Ivshinagnostus alatus Choi et al. 2004
Homagnostus obesus Belt 1867
? Homagnostus sulcatus Choi et al. 2004
Micragnostus elongatus Chien 1961
Kormagnostus inventus Shergold 1982
"Pseudorhaptagnostus tumidus" = Neoagnostus tumidus Sun 1989 | |
"Pseudagnostus josepha" = Pseudagnostus josephus, Nahannagnostus pratti n. sp.
"Pseudagnostus josepha" = Pseudagnostus josephus Hall 1863
Nahannagnostus pratti n. sp. Choi et al. 2004 | |
| Trilobita | |
Macharia pengi, Joshuaspis parvus n. gen. n. sp.
Macharia pengi Choi et al. 2008 trilobite
Joshuaspis parvus n. gen. n. sp. Choi et al. 2008 trilobite | |
|
Haniwoides longus Kobayashi 1935 trilobite | |
|
Irvingella convexa Kobayashi 1935 trilobite | |
"Chuangia sp." = Schantungia
"Chuangia sp." = Schantungia Lorenz 1906 trilobite | |
|
Dikelocephalites flabelliformis Sun 1935 trilobite
Metachangshania brachypyga n. sp. Choi et al. 2008 trilobite | |
|
Pseudeugonocare bispinatum Kobayashi 1962 trilobite | |