| Lee and Choi (1994) |
1994 |
Glyptagnostus and associated trilobites from the Machari Formation, Yeongweol, Korea |
| Choi and Lee (1995) |
1995 |
Occurrence of Glyptagnostus stolidotus Opik, 1961 (Trilobita, Late Cambrian) in the Machari Formation of Korea |
| Lee and Choi (1995) |
1995 |
Late Cambrian trilobites from the Machari Formation, Yeongweol-Machari area, Korea |
| Lee and Choi (1996) |
1996 |
Trilobites from the Pseudoyuepingia asaphoides Zone (Late Cambrian) of the Machari Formation near Gamaesil village, Yeongweol, Korea |
| Choi et al. (1997) |
1997 |
Cambrian-Orcovician geology and stratigraphy of Yeongweol area, Korea |
| Lee and Choi (1997) |
1997 |
Occurrence of Proceratopyge from the Glyptagnostus reticulatus Zone of the Machari Formation, Yeongweol, Korea |
| Choi et al. (1999) |
1999 |
Middle Cambrian trilobites from the Sambangsan Formation in Yongwol area, Korea |
| Lee and Choi (1999) |
1999 |
Ontogeny of the Late Cambrian trilobite Olenus asiaticus Kobayashi, 1944 from the Machari Formation of Korea |
| Hwang et al. (2000) |
2000 |
Ontogeny of the Late Cambrian trilobite Hancrania brevilimbata Kobayashi, 1962 from the Machari Formation, Yongwol, Korea |
| Lee et al. (2001) |
2001 |
A teratological pygidium of the Upper Cambrian trilobite Eugonocare (Pseudeugonocare) bispinatum from the Machari Formation, Korea |
| Hong et al. (2003) |
2003 |
Trilobites from the Lejopyge armata Zone (Upper Middle Cambrian) of the Machari Formation, Yongwol Group, Korea |
| Hong et al. (2003) |
2003 |
The Late Cambrian trilobite Irvingella from the Machari Formation, Korea: evolution and correlation |
| Choi et al. (2004) |
2004 |
Upper Cambrian agnostoid trilobites from the Machari formation, Yongwol, Korea |
| Kim et al. (2004) |
2004 |
A proposal for regional stages for the Cambrian-Ordovician in Korea |
| Choi et al. (2008) |
2008 |
Upper Cambrian polymerid trilobites from the Machari Formation, Yongwol, Korea |
| Choi et al. (2016) |
2016 |
Trilobite Biostratigraphy of the lower Paleozoic (Cambrian-Ordovician) Joseon Supergroup, Taebaeksan Basin, Korea |