Hyalella
Creators: name: Bastos-Pereira, Rafaela
name: Bueno, Alessandra Angélica De Pádua
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Amphipoda
Hyalellidae
Hyalella

description: Key to the species of Hyalella from Brazil
1. Body surface smooth................................................................................... 2
- Body with flanges on some pereonites and some pleonites.................................................... 12
2. Eyes absent or reduced................................................................................ 13
- Eyes present and pigmented............................................................................. 3
3. Uropod 1 of male without curved setae on inner ramus........................................................ 4
- Uropod 1 of male with curved setae on inner ramus........................................................... 8
4. Gnathopod 2 propodus palm as long as posterior margin....................................................... 5
- Gnathopod 2 propodus palm longer or shorter than posterior margin............................................. 6
5. Peduncle of uropod 3 slightly wider than ramus..................................................... H. longistila
- Peduncle of uropod 3 as long as ramus.............................................................. H. dielaii
6. Gnathopod 2 palm shorter than posterior margin.............................................................. 7
- Gnathopod 2 palm longer than posterior margin...................................................... H. meinerti
7. Telson longer than wide....................................................................... H.warmingi
- Telson as wide as long...................................................................... H. gracilicornis
8. Sternal gills present on segments 2–7...................................................................... 9
- Sternal gills present on segments 3–7......................................................... H. montenegrinae
9. Gnathopod 1 propodus inner face with a row of until seven setae............................................... 10
- Gnathopod 1 propodus inner face with ten or more pappose setae......................................... H.castroi
10. Telson with two widely apart strong setae..................................................... H. carstica n. sp.
- Telson with more than two strong setae................................................................... 11
11. Gnathopod 2 dactylus shorter than propodus palm.................................................. H.brasiliensis
- Gnathopod 2 dactylus as long as propodus palm.................................................. H. curvispina
12. Flanges present on pleonite 1–3................................................................. H. pleoacuta
- Flanges present on pleonite 1–2.............................................................. H. pseudoazteca
13. Eyes absent.................................................................................... H. caeca
- Eyes reduced................................................................................. H. spelaea
description: Published as part of Bastos-Pereira, Rafaela & Bueno, Alessandra Angélica De Pádua, 2012, New species and new report of Hyalella S. I. Smith, 1874 (Crustacea: Amphipoda: Dogielinotidae) from Minas Gerais state, Southeastern Brazil, pp. 58-68 in Zootaxa 3350 on page 68, DOI: 10.5281/zenodo.215235