| Taxon Code | 18 |
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| Taxon | Paleozoic and Mesozoic Gastropoda, Monoplacophora and Hyolitha (Gastropoda) |
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| Scientific name | Helcionella acuticosta pacifica |
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| Author | Saito, 1936 |
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| Year | 1936 |
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| Reference | Jour. Fac, Sci. Imp. Univ. Tokyo, Ser. 2, vol. 4, no. 3, p. 358, pl. 3, figs. 1 - 3 |
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| Type specimen | Holotype: UMUT PM1468, Paratypes: UMUT PM1469, 1470 |
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| Type locality | Chunghwa, Pyongan - namdo (Heian - nan - do), North Korea |
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| Latitude | |
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| Longitude | |
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| Formation name | Ptychoparia bed, Redlichia shale |
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| Age | Lower to Middle Cambrian |
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| Remarks | |
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| Special Papers No. | 39 |
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| Page | 381 |
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| Extractor | KASE, Tomoki |
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| DB Link | |
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| Comment | |
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