| author | date | title | journal / publication | Ozaki Y, Okamoto Y | 1944 | On two new species of the genus Umagilla: Umagilla leptosynaptae sp. nov. and Umagilla setonaikaiensis sp. nov. [in Japanese, title and diagnoses in English by Kawakatsu, in Occ Pub Biol Lab Fuji...#8 | J Sci Hiroshima Univ Ser Zool 10:201-211. |
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| Umagilla leptosynaptae Ozaki & Okamoto, 1944 | w | primary taxonomic authority (describer) | ||
| Umagilla setonaikaiensis Ozaki & Okamoto, 1944 | w | primary taxonomic authority (describer) |