Pachynus, Bulycheva, 1955
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publication ID |
https://doi.org/ 10.11646/zootaxa.3246.1.1 |
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DOI |
https://doi.org/10.5281/zenodo.5251248 |
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persistent identifier |
https://treatment.plazi.org/id/456087D3-3600-FFAC-B8DF-09BAFA1D4C88 |
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treatment provided by |
Felipe |
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scientific name |
Pachynus |
| status |
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Key to species of Pachynus View in CoL
1. Gnathopod 1 subchelate or only slightly chelate............................................................. 2
- Gnathopod 1 chelate................................................................................... 3
2. Maxilla 1, outer plate with 4/3 setal-tooth arrangement. Antenna 1 accessory flagellum absent. Pereopod 4 merus produced anteroventrally beyond carpus................................................................ P. obsolescens View in CoL
- Maxilla 1, outer plate with 5/3 setal-tooth arrangement. Antenna 1 accessory flagellum 2-articulate. Pereopod 4 merus produced anteroventrally less than halfway along carpus................................................ P. pugilator View in CoL
3. Antenna 1 accessory flagellum 2-articulate. Pereopod 7 basis about as long as wide................................. 4
- Antenna 1 accessory flagellum absent. Pereopod 7 basis about 1.5 × as long as wide................... P. denticulatum
4. Mandible, molar absent. Gnathopod 2 propodus, length less than 2 × breadth............................. P. barnardi View in CoL
- Mandible, molar present. Gnathopod 2 propodus, length more than 2 × breadth............................ P. chelatum View in CoL
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