| Taxon Code | 18 |
| Taxon | Paleozoic and Mesozoic Gastropoda, Monoplacophora and Hyolitha (Gastropoda) |
| Scientific name | Ophileta plana |
| Author | Kobayashi, 1934 |
| Year | 1934 |
| Reference | Jour. Fac. Sci. Imp. Univ. Tokyo, Sec. 2, vol. 3, no. 9, p. 534, pl. 2, figs. 7 - 10 |
| Type specimen | Syntypes: UMUT PM0815, 0816, 0817 |
| Type locality | Saisho - ri and Makkol, Taebaeksan (Taihakusan), Kangwon - do (Kogen - do), South Korea |
| Latitude | |
| Longitude | |
| Formation name | Chosen Group |
| Age | Lower Ordovician |
| Remarks | |
| Special Papers No. | 39 |
| Page | 388 |
| Extractor | KASE, Tomoki |
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| Comment | |