| Citation | GBIF 2021 Ptychognathus ishii T.Sakai, 1939 in GBIF Secretariat (2021). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2022-02-02. |
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 125848 |
| Language | English |
| Usage | not seen |
| Remarks | |
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