Gnathostenetroides Amar 1957
Creators: name: Malyutina, Marina V.
name: L. Bruce, Niel
Publisher: name: Zenodo
Year: 2019
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Isopoda
Gnathostenetroididae
Gnathostenetroides

description: Key to the species of Gnathostenetroides
1. Body L/W ratio less than 4.5............................................................................. 2
- Body L/W ratio more than 4.5........................................................................... 4
2. Pereonite 1 longer than cephalon................................................................... G. pugio
- Pereonite 1 shorter than cephalon......................................................................... 3
3. Pleotelson shorter than wide, antennula article 1 slender........................................ G. solitaria sp. nov.
- Pleotelson longer than wide, antennula article 1 broadening distally................................ G. barringtoniana
4. Pereonite 1 as long as cephalon........................................................................... 5
- Pereonite 1 shorter than cephalon......................................................................... 6
5. Rostrum 0.3 cephalon length, 0.4 cephalon width, antennula article 1 slender...................... G. altapetra sp. nov.
- Rostrum 0.1 cephalon length, 0.3 cephalon width, antennula article 1 robust............................. G. brevicornis
6. Pereonites 4 and 5 subequal in length...................................................................... 7
- Pereonite 4 shorter than pereonite 5.................................................... G. blazewiczaei sp. nov.
7. Pereonites 2 and 3 not shorter than pereonite 1.............................................................. 9
- Pereonites 2 and 3 shorter than pereonite 1.................................................................. 8
8. Pereonites 6 and 7 longer than pereonite 5, combined length of pereonites 6 and 7 equal to pleotelson length.................................................................................................. G. renbourni sp. nov.
- Pereonites 5–7 subequal in length, combined length of pereonites 6 and 7 less than pleotelson length......... G. laodicense
9. Cephalon behind antennae as long as pereonite 1.................................................. G. samariensis
- Cephalon behind antennae longer than pereonite 1.......................................................... 10
10. Pereopod 1 slender, palm length / width> 2....................................................... G. aldabrana
- Pereopod 1 robust, palm length / width <2................................................................ 11
11. Eyes small, of 3 ommatidia, female operculum length 1.2 width........................................... G. indica
- Eyes large, of 7–8 ommatidia, female operculum length 1.6 width..................................... G. polynesica
description: Published as part of Malyutina, Marina V. & L. Bruce, Niel, 2019, The first record of Gnathostenetroididea Kussakin, 1967 from Australian waters with description of four new species of Gnathostenetroides Amar, 1957 (Crustacea: Isopoda: Asellota) from the Great Barrier Reef, pp. 301-350 in Zootaxa 4554 (2) on page 306, DOI: 10.11646/zootaxa.4554.2.1, http://zenodo.org/record/2623588