Tryphosella Bonnier 1893
Creators: name: Lowry, J. K.
name: Stoddart, H. E.
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Amphipoda
Tryphosidae
Tryphosella

description: Key to Australasian species of Tryphosella   
1. Gnathopod 1 ischium long (length 2 or more x breadth)....................................................... 2  
- Gnathopod 1 ischium short (length less than 2 x breadth)...................................................... 6  
 2. Uropod 2 inner ramus incised....................................................................... T. ama   
- Uropod 2 inner ramus not incised........................................................................ 3  
3. Antenna 1 with robust setae on proximal articles............................................................. 4  
 - Antenna 1 without robust setae on proximal articles.................................................. T. seasana   
 4. Gnathopod 2 palm transverse..................................................................... T. bicheno   
- Gnathopod 2 palm obtuse............................................................................... 5  
 5. Maxilliped outer plate with 1 long apical robust seta.................................................. T. wongada   
 - Maxilliped outer plate with 3 long apical robust setae............................................. T. astrolabensis   
6. Gnathopod 1 basis anterior margin densely setose........................................................... 7  
- Gnathopod 1 basis anterior margin moderately or weakly setose................................................. 9  
7. Antenna 1 flagellum with robust setae on proximal articles.................................................... 8  
 - Antenna 1 flagellum without robust setae on proximal articles.......................................... T. rodondo   
 8. Maxilliped outer plate with 2 long apical robust setae; uropod 3 peduncle with 2 short apicomedial robust setae..... T. cooee   
 - Maxilliped outer plate with 3 long apical robust setae; uropod 3 peduncle with 3 short apicomedial robust setae.. T. chinchilla   
9. Gnathopod 2 palm transverse........................................................................... 10  
- Gnathopod 2 palm obtuse.............................................................................. 12  
 10. Uropods 1 and 2 outer ramus with all robust setae stout and striated; uropod 3 peduncle with 1 short apicomedial robust seta............................................................................................... T. sorell   
- Uropods 1 and 2 outer ramus with only distal robust setae stout and striated; uropod 3 peduncle with 2 short apicomedial robust setae........................................................................................ 11  
 11. Maxilliped outer plate with 3 apical robust setae; coxa 1 small (length about 1.1 x breadth); telson with 2 apical robust setae on each lobe................................................................................... T. fortescue   
 - Maxilliped outer plate with 2 apical robust setae; coxa 1 medium (length about 1.5 x breadth); telson with 1 apical robust seta on each lobe............................................................................... T. tuckanarra   
 12. Telson without dorsal robust setae................................................................... T. oupi   
- Telson with dorsal robust setae.......................................................................... 13  
13. Uropods 1 and 2 outer ramus with some or all robust setae stout and striated...................................... 14  
- Uropods 1 and 2 outer ramus without stout, striated robust setae................................................ 16  
 14. Uropods 1 and 2 outer ramus with all robust setae stout and striated...................................... T. freycinet   
- Uropods 1 and 2 outer ramus with only distal robust setae stout and striated...................................... 15  
 15. Epistome produced beyond upper lip; gnathopod 1 carpus subequal to propodus; epimeron 3 posteroventral corner narrowly rounded....................................................................................... T. orana   
 - Epistome produced equally with upper lip; gnathopod 1 carpus longer than propodus; epimeron 3 posteroventral corner subquadrate...................................................................................... T. tathra   
16. Telson with 1 apical robust seta on each lobe.............................................................. 17  
 - Telson with 2 apical robust setae on each lobe..................................................... T. toowoomba   
17. Coxa 1 small (length less than 1.5 x breadth)............................................................... 18  
- Coxa 1 medium size (length at least 1.5 x breadth).......................................................... 19  
 18. Maxilliped outer plate with 1 long apical robust seta.................................................... T. betka   
 - Maxilliped outer plate with 1 short apical robust seta............................................... T. martrudan   
19. Epimeron 3 posteroventral corner subquadrate............................................................. 20  
- Epimeron 3 posteroventral corner acutely produced......................................................... 21  
 20. Maxilliped outer plate with 2 apical robust setae; boss on urosomite 1 laterally robust........................ T. camela   
 - Maxilliped outer plate with 3 apical robust setae; boss on urosomite 1 laterally very thin.................. T. cameloides   
21. Maxilliped outer plate with 2 long apical robust setae....................................................... 22  
 - Maxilliped outer plate with 1 short apical robust seta............................................... T. wangaratta   
 22. Antenna 1 with robust setae on proximal articles; uropod 3 peduncle with 1 short apicomedial robust seta........... T. bet   
 - Antenna 1 without robust setae on proximal articles; uropod 3 peduncle with 2 short apicomedial robust setae.... T. flynnana
description: Published as part of Lowry, J. K. & Stoddart, H. E., 2011, The tryphosine genera Photosella gen. nov. and Tryphosella Bonnier, 1893 (Crustacea: Amphipoda: Lysianassoidea: Lysianassidae: Tryphosinae) in Australian waters 2956, pp. 1-76 in Zootaxa 2956 (1) on page 17, DOI: 10.11646/zootaxa.2956.1.1, http://zenodo.org/record/5281859