Tanaella
Creators: name: Guerrero-Kommritz, Jürgen
name: Blażewicz-Paszkowycz, Magdalena
Publisher: name: Zenodo
Year: 2004
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Malacostraca
Tanaidacea
Tanaellidae
Tanaella

description: Key for the species of Tanaella (modified after Larsen & Heard 2004)
1. Uropod composed of protopod and biarticulated endopod ........................................... 2
­ Uropod composed of protopod and uniarticulated endopod ......................................... 5
2. Cephalothorax as long as broad .......................................................... T. rotundicephala
­ Cephalothorax longer than broad .................................................................................. 3
3. Pleotelson apex pointed ............................................................................... T. unisetosa
­ Pleotelson apex blunt .................................................................................................... 4
4. Cheliped fixed finger with several acute denticles, cheliped dactylus with two spini­ form setae on inner margin ........................................................................... T. forcifera
­ Cheliped fixed finger without acute denticles, cheliped dactylus with one spiniform setae on inner margin ................................................................................ T. propinquus
5. Uropods longer than pleotelson..................................................................................... 6
­ Uropods as long as, or shorter than, pleotelson............................................................. 9
6. Pleotelson apex pointed. Male antennula with five articles ...................... T. tuberculata
­ Pleotelson apex smoothly rounded. Male antennula with four articles......................... 7
7. Uropodal protopod longer than half of endopod .......................................... T. orchacea
­ Uropodal protopod shorter than half of endopod.......................................................... 8
8. Pleotelson as long as last two pleonites together, dactylus and unguis of pereopods 1–3 shorter than propodus, one seta on basal article of uropod. Male pleopods with setu­ lose setae .................................................................................................. T. prolixcauda
­ Pleotelson as long as last three pleonites together, dactylus and unguis of pereopods 1– 3 as long as propodus, no seta on basal article of uropod. Male pleopods without setu­ lose setae ......................................................................................... T. profunda sp. nov.
9. Cheliped dactylus with proximal process on inner margin ....................... T. ungucillata
­ Cheliped dactylus without proximal process on inner margin.................................... 10
10 Uropod shorter than pleotelson. Pereopods 4–6 with ventral margin of propodus ser­ rated and with setules ................................................................................................. 11
­ Uropod as long as pleotelson.Pereopods 4–6with ventral margin of propodus not serrated
..................................................................................................................................... 12 11 Basis of pereopod 1, margin with minute setae. Male propodus of pereopod 6 without several hook­shaped serrated distal spiniform setae ............................... T. kimi sp. nov. ­ Basis of pereopod 1 margin lacking setae, naked. Male propodus of pereopod 6 with several hook­shaped serrated distal spiniform setae .................................. T. mclellandi
12 Cheliped carpus with a long seta. Chela with serration on proximal part of cutting edge ................................................................................................................ T. paraforcifera
­ Cheliped carpus without a seta. Chela smooth on proximal part of cutting edge ........... ......................................................................................................... T. eltaninae sp. nov.
description: Published as part of Guerrero-Kommritz, Jürgen & Blażewicz-Paszkowycz, Magdalena, 2004, New species of Ta n a e l l a Norman and Stebbing, 1886 (Crustacea: Tanaidacea: Tanaellidae) from the deep­sea off the Antarctic and the Angola Basin, with a key to the genus, pp. 1-20 in Zootaxa 459 on pages 19-20, DOI: 10.5281/zenodo.157689