| Taxon Code | 18 |
| Taxon | Paleozoic and Mesozoic Gastropoda, Monoplacophora and Hyolitha (Hyolitha) |
| Scientific name | Hyolithus teretapex |
| Author | Saito, 1936 [typographical error of Hyolithes] |
| Year | 1936 |
| Reference | Jour. Fac. Sci. Imp. Univ. Tokyo, Ser. 2, vol. 4, no. 3, p. 362, pl. 3, figs. 26, 27 |
| Type specimen | Holotype: UMUT PM1485, Paratypes: UMUT PM1483 - 1484, 1486 - 1489 |
| Type locality | South of the tunnel under Kuhyonch' I pass, 2.0 km north of Heukkyo, Koshu area, Huanghae - do (Kokai - do), North Korea |
| Latitude | |
| Longitude | |
| Formation name | Protolenus shale |
| Age | Lower Cambrian |
| Remarks | |
| Special Papers No. | 39 |
| Page | 395 |
| Extractor | KASE, Tomoki |
| DB Link | |
| Comment | |