Osmylopsychopidae, Martynova, 1949

publication ID	https://doi.org/10.11646/zootaxa.5723.2.8
publication LSID	lsid:zoobank.org:pub:7B70B15E-AF93-425B-82D0-8127221E1C57
persistent identifier	https://treatment.plazi.org/id/9C1AF968-9C00-FFFC-74EF-6B18FA7BF8AA
treatment provided by	Plazi
scientific name	Osmylopsychopidae
status

1. Outer radial gradate series of crossveins present............................................................. 2

- Outer radial gradate series of crossveins absent.............................................................. 8

2. RP1 separated from R stem...................................... Stenopteropsychops Peng, Makarkin et Ren, 2015 View in CoL

- RP1 separated from RP................................................................................. 3

3. CuA complicated dichotomously branched......................................... Triassopsychops Tillyard, 1923 View in CoL

- CuA pectinately branched............................................................................... 4

4. Sc parallel with RA connected by a short crossvein distally.................. Eupypsychops Peng, Makarkin et Ren, 2015 View in CoL

- Sc fused with RA distally............................................................................... 5

5. MA deeply branched near M branching point........................................ Brongniartiella Meunier, 1897 View in CoL

- MA branched distally.................................................................................. 6

6. Costal gradate series of crossveins absent.............................. Nematopsychops Peng, Makarkin et Ren, 2015 View in CoL

- Costal gradate series of crossveins present................................................................. 7

7. Posterior and outer margin of forewing undulated.......................... Daopsychops Peng, Makarkin et Ren, 2015 View in CoL

- Posterior and outer margin of forewing less undulated..................... Ochropsychops Peng, Makarkin et Ren, 2015 View in CoL

8. M pectinately branched............................................................ Petropsychops Riek, 1956 View in CoL

- M dichotomously branched............................................................................. 9

9. CuP pectinately branched....................................................... Osmylopsychops Tillyard, 1923 View in CoL

- CuP dichotomously branched........................................................................... 10

10. Forewing relatively narrow and elongated......................... Osmylopsychostoechus Khramov et Makarkin, 2015 View in CoL

- Forewing nearly broad triangular........................................................................ 11

11. CuA branched near its origin.................................................. Gayndahpsychops Lambkin, 2014 View in CoL

- CuA branched near the middle part of its vein.............................................................. 12

12. A1 deeply dichotomously branched once time............................ Minipsychops Liu, Ren, Shih et Wang, 2023

- A1 dichotomously branched with complicated branches...................................................... 13

13. M branched near origin of M........................................................................... 14

- M branched near middle part........................................................................... 15

14. RP1 complicated deeply branched with numerous secondary branches...... Osmylopsychoides Khramov et Makarkin, 2015 View in CoL

- RP1 deeply branched once time with a few secondary branches.............................. Densipsychops gen. nov.

15. Most of RP branches deeply branched.......................... Undulopsychopsis Peng, Makarkin, Wang et Ren, 2011 View in CoL

- Most of RP branches shallowly branched................................................................. 16

16. MP simple for most of its length with a few distal pectinate branches........ Psychostoechotes Khramov et Makarkin, 2015 MP View in CoL dichotomously branched near its origin............................................... Puripsychops gen. nov.