| Citation | Yu, X. and M. Hämäläinen 2012 A description of Echo perornata spec. nov. from Xizang (Tibet), China (Odonata: Calopterygidae). Zootaxa 3218:40-46. |
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 91279 |
| Language | English |
| Usage | used in part |
| Remarks | |
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