Hyalella
Creators: name: Rodrigues, Stella Gomes
name: Bueno, Alessandra Angélica De Pádua
name: Ferreira, Rodrigo Lopes
Publisher: name: Zenodo
Year: 2014
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 peraeonites and some pleonites.................................................. 14
2 Eyes absent or reduced............................................................................... 16
– Eyes present and pigmented............................................................................ 3
3 Uropod 1 of male without curved seta on inner ramus....................................................... 4
– Uropod 1 of male with curved seta on inner ramus.......................................................... 9
4 Dorsal margin of uropod 3 without setae.................................................................. 5
– Dorsal margin of uropod 3 with setae.............................................................. H. dielaii
5 Gnathopod 2 with propodus much less than twice its width................................................... 6
– Gnathopod 2 with propodus almost twice its width................................................. H. longistila
6 Slender setae on apical margin of telson.................................................................. 7
– Strong setae on apical margin of telson........................................................... H. meinerti
7 Inner face of gnathopod 1 with a row of five or less serrate setae............................................... 8
– Inner face of gnathopod 1 with a row of 10 or more serrate setae...................................... H. warmingi
8 Flagellum of antenna 2 with 14–17 articles........................................................ H. minensis
– Flagellum of antenna 2 with 19–25 articles..................................................... H. gracilicornis
9 Sternal gills present on segments 2–7................................................................... 10
– Sternal gills present on segments 3–7....................................................... H. montenegrinae
10 Telson with more than two apical setae.................................................................. 11
– Telson with only two strong apical setae.......................................................... H. carstica
11 Gnathopod 2 dactylus shorter than propodus palm......................................................... 12
– Gnathopod 2 dactylus as long as propodus palm........................................................... 13
12 Rami of uropod 3 with only cuspidate setae distally................................................. H. xakriaba
– Rami of uropod 3 with cuspidate and simple setae distally.......................................... H. brasiliensis
13 Peduncle of uropod 3 with four to six cuspidate apical setae........................................ H. curvispina
– Peduncle of uropod 3 with more than seven cuspidate apical setae....................................... H. castroi
14 Uropod 1 of male with curved seta on inner ramus......................................................... 15
– Uropod 1 of male without curved seta on inner ramus........................................... H. pseudoazteca
15 Flanges present only on pleonite 1–2............................................................ H. kaingang
– Flanges present on peraeonite 7 and pleonite 1–3.................................................. H. pleoacuta
16 Sternal gills present on segments 3–7................................................................... 17
– Sternal gills present on segments 2–7............................................................. H. spelaea
17 Antenna 1 longer than antenna 2....................................................................... 18
– Antenna 1 shorter than antenna 2.................................................................. H. caeca
18 Posterior lobe of carpus with a row of serrate setae.................................................... H. imbya
– Posterior lobe of carpus with a row of simple setae........................................... H. epikarstica n. sp.
description: Published as part of Rodrigues, Stella Gomes, Bueno, Alessandra Angélica De Pádua & Ferreira, Rodrigo Lopes, 2014, A new troglobiotic species of Hyalella (Crustacea, Amphipoda, Hyalellidae) with a taxonomic key for the Brazilian species, pp. 200-214 in Zootaxa 3815 (2) on pages 211-212, DOI: 10.11646/zootaxa.3815.2.2, http://zenodo.org/record/225119